Master painter Zhang Daqian (1899-1983) was well known for having a large number of friends and students. Among them, painter Li Qiujun was special.

    They got to know each other through Li's elder brother, who was one of Zhang's best friends.

    They admired each other's artistic talent and became confidants, which resulted in a romantic relationship.

    In 1948, Zhang produced Spring Clouds Amid Autumn Landscape, a mountain-and-water ink painting featuring gongbi (meticulous brushwork), as a gift for Li's 50th birthday.

    A year later, Zhang permanently departed from the mainland, and traveled and exhibited around the world before settling down in Taipei in 1976.

    After leaving the mainland, he often said that he missed Li, who died in Shanghai in 1973.

    Spring Clouds Amid Autumn Landscape will be auctioned in Hong Kong on Oct 4.

    The painting not only marks a friendship between the two painters, but it deserves special attention because it shows Zhang at the top of his game as he sought to master the mountain-and-water style, according to C.K. Cheung, head of Sotheby's Chinese painting department.

    Sotheby's will auction the work at its major autumn sale, which runs from Oct 1 to 5.

    Cheung says the painting's composition and Zhang's attention to details reflect his incorporation of traditional touches, especially from Song Dynasty (960-1279) paintings, while also developing his own style.

    After returning from her round trip, the angry woman stood outside the ticket office of the station. “The railway owes me 12 pounds，” she said to Harry Jenks, the young man working at the office. “You sold me a ticket for May 22nd, but there was no ship from Jersey that night. So my daughter and I had to stay in a hotel. It cost me 12 pounds.”

    Harry was worried. He remembered selling the woman a return ticket. “Come into the office, Madam，” he said politely. “I'll just check the Jersey timetable for May 22nd.”

    The woman and her little girl followed him inside. She was quite right, as Harry soon discovered. There was no sailing on May 22nd. How could he have made such a careless mistake? He shouldn't have sold her a ticket for that day. Wondering what to do, he smiled at the child. “You look sunburnt.” he said to her. “Did you have a nice holiday in Jersey？”

    “Yes,” she answered, shyly. “The beach was lovely. And I can swim too!”

    “That's fine,” said Harry. “My little girl can't swim a bit yet. Of course，she's only three ...”

    “I'm four，” the child said proudly. “I'll be four and a half.”

    Harry turned to the mother. “I remember your ticket, Madam.” he said. “But you didn't get one for your daughter, did you？”

    “Er, well ...” the woman looked at the child. “I mean .., she hasn't started school yet. She's only four.”

    “A four­-year­-old child must have a ticket, Madam. A child's return ticket from Jersey costs .., let me see ... 13.50 pounds. The law is the law, but since the mistake is mine ...”

    The woman stood up, took the child's hand and left the office.

    In the fight to conserve tropical rainforests, here's a tool you don't often hear about orange peels. Specifically, 12,000 tons of them, dumped (倾倒) on the land. “You don't usually associate waste treatment with biodiversity benefits, something that's good for the environment.

    Tim Treuer is an ecologist at Princeton University, and he's talking about a unique conservation story. It started in the early 1990s, when an orange juice producer called Del Oro set up a company near the Guanacaste Conservation Area in Costa Rica, a region that contains several national parks and a wildlife protection zone.

    Del Oro needed somewhere to dump the orange peels, and the company also owned forested land next to the parkland that it had no intention of growing crops on. So a deal was struck: if Del Oro donated its forested land, it could dump orange peel waste on degraded(退化的) land within the conservation area. Then a thousand dump trucks' worth of orange peels were lying on the land in 1998. “And within about six months the orange peels had been turned from orange peels into this thick black rich soil.”

    “I couldn't even find the site the first time I saw it.” He couldn't find it because, over 16 years, the orange peel waste had sent the land on a journey to become a vine-choked jungle, with three times the diversity of tree species of the neighboring control plot, richer soil and a much thicker covering. In other words, the experiment was a success. The results appear in the journal Restoration Ecology.

    Treuer says perhaps this lesson could be applied elsewhere. “It's a shame that we live in a world with nutrient-limited degraded ecosystems and also nutrient-rich waste streams. We'd like to see those things come together a little bit. That's not license for any agricultural company to just start dumping their waste products on protected areas, but it does mean that land managers, people involved with industrial-scale agricultural operations should start thinking about ways to do thoughtful experimentation to see if in their particular system they can have similar win-win-win results.”

    Helen Keller was one of America's best-known women. She was admired for her courage and achievements although she couldn't see or hear. She was also known throughout the world for herself-sacrificing work to improve the condition of the blind, the deaf and the speechless. When she died on June 1, 1968, the newspaper Washington Post wrote: "Her life was truly one of the most remark able phenomena of our time and her death just short of the age of 88 leaves the whole world poorer."

    Helen Keller was born on June 27th, 1880, in Tuscumbia, Alabama. For the first 19 months of her life, she was a pretty and happy baby, normal in every way. Then a sudden illness destroyed her sight and her hearing. Because she could not hear sounds to imitate(模仿), she could not speak. Helen used to say that her real birthday was not June 27th, 1880, but March 3rd, 1887—the day when Anne Sullivan entered her life. It was Anne Sullivan who taught Helen to spell certain words by a special system, Braille, and even to talk.

    Anne Sullivan could not teach Helen Keller to speak until some other important things had been learned. The little girl had to learn to control her actions and feelings. She had to learn that she could not always do what she wanted to do. She had always been able to get what she wanted by using force. The teacher had to change such habits without breaking the child's spirit.

    Miss Sullivan's battle began. Sometimes, there was real fighting between the wild child and the strong young teacher. At last, however, the battle was won by Miss Sullivan, who succeeded in showing Helen that she loved her and wanted to help her. The child and her teacher became friends. They continued to be friends until the teacher's death, fifty years later.

    The day on which Helen finally accepted Miss Sullivan as her friend and teacher was a great day in Helen's life. After that, the teacher could begin to teach the child language.

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    On Sunday, November 3, 2019, most North Americans will mark the end of Daylight Saving Time (DST) by moving their clocks back an hour. This simple action will not only add an extra 60 minutes to their weekend, but also shift (变换，变动) daylight back into the morning hours, making it a little less painful to wake up for school and work during the shorter winter days.

    Operating the clocks was first suggested by Benjamin Franklin in 1784. He mentioned the idea in a letter to the editor of the Journal of Paris and advised it should be a way to save candles, but it was not taken seriously. George Hudson from New Zealand also recommended moving the clocks back two hours in 1895 to get extra daylight time to study insects. Unfortunately, neither he nor British people William Willett, who suggested it in 1907 as a way to save electricity costs, got their wish.

    It was the German Empire that began the clock shifting tradition on April 30, 1916, to save fuel needed to produce weapons and bombs for World War I. Though a few others, including the US and Britain, adopted the tradition shortly after, all the countries returned to Standard Time once the war ended, only to start DST again during World War II. Once the battle ended in 1945, the US government ended DST nationally but allowed states and districts to continue the tradition and even allowed them to establish their own start and stop dates.

    However, though there have been many attempts to persuade lawmakers to end DST, both in the US and Europe, they have not been successful. Therefore, unless you live in places like Hawaii and Arizona, you have little choice but to "Fall Back" and enjoy the extra hour this weekend! Health experts suggest the best way to adjust is going to bed at your regular time, even if the day is an hour longer.