Who could have imagined that a treadmill(跑步机)on wheels would one day become a thing? Lopifit is an unusual means of transportation that allows you to power an electric bicycle by walking on a treadmill.

    Lopifit founder Bruin Bergmeester says it all started when he asked himself the question. "How can I use a treadmill outdoors?" He eventually came up with a design, to which he added an electric engine, and Lopifit was born. The treadmill bicycle is similar to a typical electric bicycle in that the motor only works when the rider puts power in as well. The Lopifit senses it when you walk on the treadmill and uses the motor to turn a drive chain at the back part of the treadmill, helping you reach a top speed of 17 miles per hour.

    To use the Lopifit, simply turn on the battery and use your feet to slide the treadmill backwards and activate (激活) the motor. Then get on and enjoy the ride! If you need speed, just walk on the treadmill, and if you want to coast, all you have to do is stay still and admire the view. To stop, you have two hand brakes available.

    The Lopifit first hit the streets in 2014 and, unsurprisingly, became an instant hit. That was actually quite challenging for the company, because it started get inquiries and calls for orders, but it was nowhere near ready for mass production. The unique treadmill bicycle became available this year, and Lopifit is struggling to keep up with demand, despite the high price tag of $ 2,115.

    But despite having a very loyal fan-base of so-called Lopifitters, the creative means of transportation also has naysayers who simply consider the invention stupid and unnecessary. They basically believe that if you're going to walk, you might as well do it the old-fashioned way. But the Lopifit does have the unique advantage of helping you walk really fast without breaking a sweat, or walking at cycling speed, if you will.

    Researchers say getting a good night's sleep is probably the best tool for memory and learning. But short periods of sleep may help our brains work better, says a recent study on napping. And taking a nap  may also help old adults fight off age-related memory loss.

    CDC, an American scientific organization, found that 50 to 70 million Americans have chronic（长期的）sleep disorders. So, someone who naps as a way of paying off a sleep debt may not experience the same improvements from napping as a well-rested person would. Also, that only children, the very old, sick or  lazy people nap is not an uncommon opinion.

    Researchers recently looked at information provided by nearly 3,000 Chinese adults, aged 65 years or older, to learn if napping after a mid-day meal had any effect on the mental performance of the subjects.

    First, they asked the people if they napped and for how long. Then, based on their answers, researchers put them into four groups: non-nappers (0 min), short nappers (≦30 min), moderate nappers (30-90 min), and extended nappers (≧90 min).  Nearly 60% of the people said they did take a nap after lunch and that   their naps lasted anywhere from 30 to 90 minutes. Most of the subjects said they napped for about an hour.

    The study found that people who took an hour-long nap did much better on mental tests than those      who did not nap. The hour-long nappers also did better on the tests than those who napped for shorter and longer periods. In this study, it seemed that the most effective nap lasted for about an hour, but not much longer.

    Yet Doctor Michael Twery notes that an hour long nap may be too long for young, healthy adults. 30 minutes is enough to remove the pressure to sleep and will help us feel more awake.

    Passing through the Atlanta airport one morning, I caught one of those trains that take travelers from the main terminal to their boarding gates. Free, and impersonal, the trains run back and forth all day long. Not many people consider them fun, but on this Saturday I heard laughter. At the front of the first car – looking out the window at the track that lay ahead – were a man and his son.

    We had just stopped to let off passengers, and the doors were closing again. "Here we go! Hold on to me tight!" the father said. The boy, about five years old, made sounds of sheer delight.

    I know we're supposed to avoid making racial distinctions(种族歧视) these days, so I hope no one will mind if I mention that most people on the train were white, dressed for business trips or vacations.

    As I got off, I remembered something I'd wanted to buy in the terminal. I was early for my flight, so I decided to go back.

    I did – and just as I was about to reboard the train for my gate, I saw that the man and his son had returned too. I realized then that they hadn't been heading for a flight, but had just been riding the shuttle.

    "I want to ride some more!"

    "More?" the father said, mock-exasperated(嗔怪模仿) but clearly pleased. "You're not tired?"

    "This is fun!" his son said.

    "All right," the father replied, and when a door opened we all got on.

    There are parents who can afford to send their children to Europe or Disneyland, but the children turn out rotten. There are parents who live in million-dollar houses and give their children cars and swimming pools, yet something goes wrong. Rich and poor, black and white, so much goes wrong so often.

    "Where are all these people going, Daddy?" the son asked.

    "All over the world," came the reply. The other people in the airport were leaving for distant destinations or arriving at the ends of their journeys. The father and son, though, were just riding this shuttle together, making it exciting, sharing each other's company.

    Moscow Sheremetyevo International Airport

    If You've Lost Personal Belongings

    On Board     —Contact the airline's representatives

    At the Airport     —Contact:

    —Sheremetyevo Police Department ……+7(495)578-22-55

    —Unclaimed luggage storage room in Terminal C    ……+7(495)578-23-26

    —Unclaimed luggage storage room in Terminal D ……+7(499)500-65-52(domestic flights) ……+7(495)753-86-41(international flights)

    When collecting Lost and Found items, you shall have an identification document, a boarding pass or a ticket, and also indicate the place where the items were lost and prove they are yours.

    If Your Luggage Is Lost or Damaged

    Before leaving the arrival area, please turn to the Lost and Found counter to file a report. The written claim shall be submitted to the airline company not later than seven days from the time when the luggage was to be collected.

    If your luggage is not found within twenty-one days of the time when the claim was filed, you have the right to claim damages in the amount of not more than 600 rubles per kilogram. Amount refunded(退款) for the hand luggage lost through the fault of an airline is not more than 11, 000 rubles regardless of its weight. Amount refunded for damaged luggage is calculated based on the same tariffs(关税).

    Keep your flight documents (a ticket, boarding pass, luggage tag, and delayed luggage report filed at the airport) until the end of the procedure for searching for your luggage.

    Current information on luggage-tracing results ……+7(495)578-76-65

    Lost and Found service of Aeroflot Russian Airlines……+7(495)544-33-25(from 9:00- 20:00) +7(495)753-86-41(24 hours)

    For further information please contact the airline.

The Chinese Tang Dynasty poet Du Fu is often called the sage(圣人) of poetry. Unlike Li Bai, this poet wrote in various styles, and his works were often innovative(创新的) in language and subject matter. His poems were also filled with meaning. 

His innovation was not at all welcome. The readers of his time rarely showed much appreciation of his original and innovative works. The masses in fact hated and scolded them. Like many artists, Du Fu was only recognised for his genius long after his death. 

Du Fu was born in Luoyang, Henan Province. Although he came from an influential literary family, his early attempts to gain a position in the government by way of the exam system failed repeatedly. He was 43 years old when he finally managed to hold an official position. This was the time when Emperor Xuanzong was attracted to the beautiful Yang Yuhuan and made her his concubine(妃子), which Du Fu severely criticised in his Song of the Beautiful Ladies. 

As the emperor got distracted from important government affairs, some military leaders were becoming too powerful. Du Fu took office in 755, and in the same year a rebel(叛乱) leader An Lushan led his army into the capital of Tang Dynasty. The emperor fled to the west and left the governing of the state to his son. Du Fu and his family took the road north to escape the rebels. 

The poet left his family and tried to get to the headquarters of the new emperor, but he was caught and held prisoner by the rebels in Chang'an. After order was restored again, Du Fu got back his position in the capital. However, he did not enjoy the favour of the new emperor and was given a minor provincial post. In 759 he finally left this disgraceful position and spent the rest of his life wandering around the country. 

Yingge Dance is a traditional folk dance that has gained significant popularity in recent times. It is a dynamic and energetic performance that showcases the rich cultural heritage of a particular region.

Yingge Dance is especially popular in areas like Guangdong Province in China. It is often performed during festivals, celebrations, and important cultural events. For example, it is a staple during the Spring Festival and other traditional holidays, adding to the festive atmosphere and bringing joy to the community.

The dance is characterized by its powerful movements, vibrant costumes, and rhythmic music. The dancers, usually in groups, showcase their coordination and skills through various choreographed steps and formations.

If you want to enjoy this wonderful dance performance, here is some useful information for you.

The Yingge Dance show will be held at the Cultural Square in the city center. The show starts at 7:00 p. m. every Saturday and lasts for approximately two hours.

The ticket price for adults is $20, while for students and seniors（over 65）, it is $15．Children under5can enter for free.

After watching the performance, many people have shared their amazing experiences. They were impressed by the colorful costumes, powerful rhythms, and the unity and passion of the dancers.