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　　Sunshine beach has hidden dangers! Recently, a tragedy occurred in Florida, USA: a 7-year-old girl accidentally fell into a bunker and was buried alive while "digging sand" on the beach. Experts reminded that similar accidents are not uncommon in the United States, and parents should be especially alert to the "quicksand trap" when bringing their baby.

　　A 7-year-old girl fell into a sandpit while having fun at the beach, and was buried alive. Investigators are investigating the scene. Source: New York Post

　　ABC reported on the 22nd that the tragedy happened on the beach in Lauderdale-on-the-Sea, a resort town in Florida, on the afternoon of the 20th local time. At that time, Si Long Mattingly, who was only 7 years old, and his 9-year-old brother dug up a pit nearly 1.5 meters deep. Soon, this unstable "fortification" suddenly collapsed and the brother and sister were buried in the bunker. Because my brother is tall, the sand just doesn’t reach his chest, while my short sister is swallowed up by the yellow sand.

　　According to reports, the local resident population is only about 6,000, and there are no professional lifeguards on the beach. Although there were enthusiastic passers-by to rescue after the incident, it was too inefficient to dig sand only by hands and buckets, and the surrounding fine sand continued to flow into the bunker. By the time the rescuers dug out the little girl with a shovel, she had already lost her pulse and was declared dead shortly after being sent to the hospital. The report said that the parents of the brothers and sisters were nearby at the time of the incident.

　　The death of "quicksand trap" is not a case. Medical records show that three to five minors die every year in the United States, including some "older children". In addition to the beach, it is also risky for children to play with sand in parks or their own homes. Last year, a 17-year-old young man in North Carolina was buried in sand. In 2022, there were also dangers in national parks in Utah and beaches in New Jersey. Two victims were 13 years old and the other was 18 years old.

　　Experts say that leisure places like the seaside are easy for people to relax their safety awareness. Many people are keen on digging sandpits and building castles, but they have no idea about the weight and danger of sand. Experts suggest that the depth of the bunker should not exceed the height of the knee, and try not to be in the pit, because the structure of the bunker is very unstable and it is easy to collapse instantly, causing danger. For tourists who are exhausted, they must be backfilled before leaving, because even if it is only a barrel deep, it may be dangerous. (Liu Yuran)

　　Can swimming really cure children’s asthma?

　　Expert interpretation: This disease is difficult to cure and can only effectively avoid inducing factors.

　　Recently, some media reported that Sun Yue, a singer who left the stage for eight years, revealed in a recent program that she was actually treating asthma with her children after disappearing from public view for so long, and all the methods were exhausted, but the results were not satisfactory. Finally, the doctor suggested giving it a try by swimming, from swimming with her children three times a week to swimming with her every day, and finally cured her asthma. In this regard, the reporter interviewed Yao, the father of a Chinese medicine doctor, deputy director of the Department of Pulmonary Diseases of the Second Hospital of Jiangsu Province, and learned that asthma is a stubborn disease, and the possibility of complete cure is slim. Swimming, as a kind of exercise to help exercise cardiopulmonary function, can effectively control the onset of the disease, but once the vigilance is relaxed and the long-term care of prognosis is neglected, asthma may still "make a comeback".

　　"Asthma, as a chronic disease, mostly occurs in young children, and there is the possibility of continuing the whole life cycle of patients. If early detection and early intervention treatment can be carried out in childhood, the disease can be well controlled and the possibility of children’s asthma evolving into adult asthma can be reduced." Yao, the main father, said that children’s immunity and other aspects are still not well developed during their growth, but with the increase of age, their resistance is enhanced, their lung function is constantly developing, and the chances of respiratory virus infection are greatly reduced, so many children with asthma will obviously reduce their symptoms after puberty, or even stop having attacks, provided that some inducing factors, such as allergens, respiratory infections, tobacco smoke, strenuous exercise or mood swings, are effectively avoided.

　　Many people think that it is best for asthma patients not to exercise or reduce exercise to avoid aggravating the possibility of asthma attacks. In fact, this idea is very one-sided. According to Sun Yue’s words on the program, swimming is one of the effective ways to treat her son’s asthma. Patients can recover the development of lung function and strengthen their physique through exercise. Studies have found that the benefits of regular exercise for asthma patients far outweigh the risks.

　　In addition to swimming, moderate jogging, ball games and other aerobic exercises in which all large muscle groups participate are good choices. "Patients can carry out moderate-intensity exercise under the premise that professional doctors provide scientific and regular exercise guidance, and gradually increase the duration of exercise. Patients who are in the acute attack period are not advised to exercise. They need to follow the treatment specifications and take a full rest. At least two weeks after the asthma symptoms are controlled, they should exercise according to the actual situation. " Father Yao said.

　　"For asthma patients who have well controlled their illness, it does not mean that they have entered the’ safe box’. With the change of age and the decline of immune function, exposure to some allergens or respiratory infections will induce the recurrence of asthma." My father Yao reminded that asthma patients need to maintain good living habits for a long time, such as avoiding the inhalation of harmful gases such as lampblack, cigarettes and second-hand smoke, so as to avoid long-term and chronic irritation to the airway. Patients with allergic asthma with definite allergens should pay attention to isolating animal hair and pollen. In addition, obesity is also a risk factor for the recurrence of asthma, because excessive weight will limit the expansion of the chest and lead to dyspnea. Obesity is also related to the inflammatory reaction of the body, which will affect the control effect of asthma to some extent.

　　Yangzi Evening News/Zi Niu News reporter Xu Qianqian

　　Figure ①: The fifth set of RMB 100 yuan with the back pattern "Great Hall of the People".

　Fig. ②: The fifth set of RMB 20 yuan back pattern "Guilin Landscape".

　Fig. ③: The fifth set of RMB 10 yuan back pattern "Three Gorges Kuimen".

　　The Great Hall of the People, Potala Palace, Guilin Landscape, Three Gorges of the Yangtze River, Mount Tai, and San Tan Yin Yue are all the buildings and scenery behind the fifth set of RMB banknotes. Why did you choose them as the main scene on the back? Can the photos taken by framing be directly used on paper money? Recently, the reporter came to China Banknote Printing and Minting Corporation and visited the people who had participated in the design and production of the fifth set of RMB in that year to reveal the secrets of the scenery on RMB for you.

　　Theme design

　　Beijing West Railway Station and Jiuquan Launch Site were once candidates.

　　Everyone knows that the fifth set of RMB was officially listed and issued in 1999. In fact, the design and development of this set of RMB started as early as 1988, and its design process is also very complicated and tortuous.

　　The design of the theme alone has undergone many changes. In the fourth set, the front main view of RMB is the head of representative national figures in China, and the back main view is based on the famous mountains and rivers such as the main peak of Jinggangshan and Hukou Waterfall of the Yellow River, which embodies the theme of high spirits and unity of people of all ethnic groups in China. What is the good theme in the fifth set?

　　The first theme given by the designer is ancient historical figures, in the order of dynasties. Kong Qiu and Qu Yuan in the Spring and Autumn Period and the Warring States Period, Sima Qian and Cai Lun in the Han Dynasty were all selected. The second theme is contemporary leaders such as Mao Zedong and Zhou Enlai. The third theme is the head of Mao Zedong on the front and the famous scenery and buildings in China on the back, highlighting the great rivers and mountains of the motherland.

　　In the process, some leaders suggested that nanpu bridge, Beijing West Railway Station, "Three North" Shelterbelt, Jiuquan Launch Site and so on could be added to the ticket.

　　In fact, China Banknote Printing and Minting Corporation has designed color drafts of these schemes and submitted them to the People’s Bank of China, and the People’s Bank of China has submitted them to the State Council for discussion. What is finally confirmed is what we see now. On the front, Mao Zedong’s head is adopted, and on the back, famous buildings and landscapes such as the Great Hall of the People and Potala Palace are selected from China’s historical sites and buildings and landscapes.

　　There are so many scenic spots in China, why are these selected? The most basic principle is not to use the scenery that has been used before. "Let people know at a glance where it is, have a special status and popularity, and be expressive", which is the standard in one of the designers’ mind. Although it may not be possible to cover the factors considered by every designer, after hundreds of repeated discussions and verifications by designers, the victories of Potala Palace and Mount Tai are truly deserved.

　　"It was once suggested that Huangshan Mountain be used on the back of 50 yuan, but after discussion, everyone thought that Huangshan Mountain had been used before, and the Potala Palace not only reflected the elements of national unity, but also added a lot to its religious significance." Liu Yongjiang, director of the product development office and head of the fifth RMB design, said.

　　Field shooting

　　The mysterious collector of the West Lake has to take a close-up shot in the rain.

　　In the minds of employees of banknote printing and minting companies, RMB is an "outstanding representative product" they produce, hoping to be recognized and loved by the people. However, after all, RMB has its own particularity, so that it is kept secret throughout the design and production process, and even it is difficult for ordinary people to see it until the moment it comes out. Kong Wei Yun, a sculptor of RMB, told the reporter an interesting story that happened during the filming.

　　In those days, Kong Wei Yun went to the West Lake in Hangzhou to collect the wind and print the moon on the three pools behind the 1 yuan paper money. According to the confidentiality regulations, only the director of the currency issuance department of the local people’s bank knew the purpose of his visit and arranged his accommodation and itinerary. Unfortunately, the day of collecting the wind just happened to catch up with the rain.

　　There are regulations in the West Lake that you can’t go out when it rains, and you can’t shoot Santan at close range without taking a boat. What should I do? Kong Weiyun told the boatman that he was an advertising company, and his task was urgent. He would return to Beijing tomorrow, and he had to shoot today. The boatman said that he would sail, but there must be two guests on board, so Kong Weiyun had to pay for a tour guide.

　　Finally, the ship sailed successfully, but the route was not satisfactory. The boats in the scenic spot all have a fixed driving route and time, but Kong Wei Cloud has its own specific shooting point, so we can only spend more money to let the boatmen temporarily change the route and add time. "The boatman still wondered and asked me why I didn’t see so many beautiful scenery in the West Lake."

　　Do we have to photograph the real thing? Kong Weiyun said that unlike designers who can find inspiration by looking at albums, as sculptors, they must see the details. If you don’t look at the details, you don’t know how to do the edges and corners when carving, and you don’t know what the patterns and patterns on Santan stone carving are. Because he couldn’t tell the boatman his true intention, Kong Weiyun joked that he was a "mysterious collector of the West Lake".

　　In the fifth set of RMB design stage, Kong Wei Yunhe and other designers and sculptors were also pulled into a small building at the foot of the Great Wall to "lock up" for two weeks’ closed creation. There are no "outsiders" here, and they eat and live in the building. Because the mobile phone was not popular and the transportation was inconvenient at that time, it can be said that it was really isolated from the world and the confidentiality work was done quite well.

　　"combined" landscape

　　Want to take pictures of the scene? Actually, it can’t be completely matched

　　After the introduction of the fifth set of RMB, the back scenery became a hot topic, and tourists took RMB to take photos of the back scenery, but designer Li Zhinong told you, "Forget it, you can’t find exactly the same place."

　　Li Zhinong told reporters that unlike the previous sets, the fifth set of RMB clearly stated that "combined" scenery can be used. In other words, what you see on the back of the paper money, such as the Three Gorges of the Yangtze River, the Three Ponds and the Moon, is difficult to find exactly the same angle to shoot again in reality. They are combined "brand-new" landscapes.

　　Take Mount Tai as the most representative, the unique stone carving of Wuyue, the Southern Gate of Heaven and the Jade Emperor’s Peak are all symbolic symbols of Mount Tai, but it is difficult for tourists to find a place to photograph these three elements. Why do you want to put them together? Li Zhinong said that the characteristics of Mount Tai are not very prominent. It is difficult to tell if it is Mount Tai only by depicting the mountain features. Therefore, in order to better show the grandeur of Mount Tai and facilitate identification, all three elements are simply integrated into one picture.

　　Similarly, after a large number of multi-angle shooting in the early stage, in order to make the composition more beautiful, the designers also "moved" the positions of several distant mountains in Guilin Mountain, "moved away" some mounds near Potala Palace, and "depressed" the grandeur of the distant mountains, making the pillars as the decoration of the Great Hall of the People, the five-pointed stars and lights of the dome become its background … …

　　"There is actually no close correspondence between color and face value. One hundred yuan is red, but once one yuan was used in red." Liu Yongjiang said that colors serve the theme, and they should ensure that different denominations cannot be confused and easy to distinguish.

　　Of course, how to design is not up to one person, and it can even be said that every link of RMB design has the hard work of countless people. Not only do designers choose scenery and design angles to draw sketches, but also some people draw sketches to improve them, and sculptors use dotted lines to shape scenery … … Every draft of design, painting and sculpture will be different. After each link, the scenery may change slightly. "Because of the technological restrictions and anti-counterfeiting requirements, the scenery on the banknotes must stand scrutiny and picky." Liu Yongjiang said.