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American teacher revisits land where forest grown from $5,000 donation in 1999_我的网站

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    Yin Yunzhen introduces to Sakolsky the harvest from the once-barren wasteland. Photo: Lin Xiaoyi/GT
On Monday afternoon, American teacher Ronald Sakolsky visited the homeland of Chinese desert fighter Yin Yuzhen in Uxin Banner of Ordos, Inner Mongolia Autonomous Region. This was a place the American man had visited in 2000 and it has completely changed since then.
In 1999, Sakolsky, a teacher in a China-US education exchange program, was touched by a report on Yin and her husband's afforestation efforts in the harsh wilderness of Mu Us Desert, and raised $5,000 to support her green cause. During that visit, they took pictures - in front of the sunken pit where the Yin couple once resided and in the barren land with a finger-thin sapling they had just planted against a backdrop of dust and bare earth.
What has the $5,000 changed? 
On Monday, they came to the Sakolsky forest - a permanent tribute honoring Sakolsky's early contribution to the region's ecological revival - and replicated the vintage pictures, standing in front of a pit that has long been abandoned and beside a newly planted sapling. This time, however, there are bushes and trees in the background. 
This contrast not only witnessed their friendship across time and the Pacific Ocean, but also showcased a promise Yin has kept for 27 years and a green dream that has been made possible through generations of joint unwavering efforts from Yin, her husband and countless other sand fighters. 
Homecoming with family cooking 

Yin hosted Sakolsky on Monday at her home,  filling the air with the aroma of home-cooked meals during their long-awaited reunion. Watermelons were served along with other fresh fruits and vegetables, all harvested locally. Yin told the Global Times earlier that she learned the English word "more" to persuade him to eat more.  
In 1999, Yin had few options for showing her hospitality, so she cooked a bowl of plain noodles for Sakolsky. Now, the harsh wasteland has transformed into a vibrant green oasis, thanks to unwavering afforestation efforts.
In the courtyard, the Global Times reporter saw Yin grinning from ear to ear with pride as she introduced the produce from the farmland - green pepper longer than a palm, a bottle gourd even bigger than Yin's head, and bags of foxtail millet packaged with the assistance of Yin's grandchildren, who are proud of the family's generations of commitment to green causes.    
During a tour of Yin's home, Sakolsky was impressed by the beautiful house with its green courtyard, saying "You deserve every centimeter of this house." Throughout the visit, he repeatedly praised Yin's hands, which the desert fighter and model worker used to change both the land and her own life through arduous work. 
The $5,000 Sakolsky donated in 1999 was equivalent to three years' income for Yin's entire family at the time. Today, that money has grown into more than 50,000 trees.
But Yin's journey did not stop there. Over the following decades, with the support of China's growing ecological restoration policies — including subsidies for afforestation and compensation for forest managers — she transformed the barren land into a productive family forest farm. Her success has inspired many others in the region to take up tree planting and sand control, transforming what was once a desperate struggle into a sustainable livelihood.
From the sandy hollow where the Yin couple lived in in 1985 and the earth hut they resided in until 1993, to the solid brick house Sakolsky saw when he last visited, and the two-story house the big family now lives in, the change in living environment is a clear example of ecological dividends.  
Uxin Banner lies in the heartland of the Mu Us Desert. The desertification rate was over 90 percent in the 1950s and forestation coverage was merely 7.2 percent as of 1980. Now, the forestation rate has increased to 33 percent, while plantation coverage has expanded to 85 percent, per official data. 
    Sakolsky and Yin enjoy watermelons and other fruits at Yin's home. Photo: Lin Xiaoyi/GT
Carry on the greenness, kindness 
This miracle would have been impossible without numerous people like Yin, long-term systematic planning and scientific governance. 
Chen Ziliang, an expert from the local forestry and grassland bureau, said that Mu Us Desert's sand‑control journey has evolved from collective afforestation to contract desert‑reclamation, moving beyond the simple goal of "keeping trees alive" to restoring vegetation based on water‑resource conditions.  
Putting the idea of "lucid waters and lush mountains are invaluable assets" into practice, Uxin Banner no longer views "greenness" and "growth" as an either‑or proposition. On restored sandy lands, the under‑forest economy, eco‑agriculture and eco‑tourism have flourished. Sand‑fixing shrubs are now processed into animal feed and biomass fuel, and local authorities are exploring photovoltaic‑powered desert control, the Global Times learned. 
Sand control is no longer just about keeping sand away; it's a development approach that guarantees a greener and better living environment alongside a booming economy and increasing incomes. 
On Monday afternoon, when Sakolsky finally stepped into the forest named after him, this American teacher witnessed the Chinese woman's perseverance and commitment to her promises. The $5,000 donated without expectations has grown into a thriving forest of around 50,000 trees. 
"A promise is a promise. Ms. Yin fulfilled her promise," Sakolsky said. After 27 years, the wasteland is green, and Sakolsky and Yin are "brother and sister." 
"This is the answer to how we guide young people: We must teach them love and perseverance. We need to show young people photos of Ms. Yin planting trees, digging the soil with her bare hands," Sakolsky remarked while packing a jar of sand. He said he planned to bring it back to the US, telling his grandchildren it is not just a jar of sand, but "a jar of love."   
Sakolsky told the Global Times earlier that the younger generation only knows about the dust-covered landscape from photos and stories of the elderly. It is important to tell them how the greenness is achieved, and how every single person can contribute to making an extensive forest in the harshest environment. 
"I see where China and America can work together. I see it, so I will not quit. She [Yin] never quit. 'Quit' is not in her vocabulary," Sakolsky said with emotion on Monday. 
"Chinese and Americans can be family. We can get over the differences if we focus on the similarities... If we focus on our similarities and not our differences, we can solve the problems."
At the end of Monday's schedule, Yin and Sakolsky planted another sapling together, just as they did about three decades ago, but in a completely different landscape. 
This new sapling carries on the story of not only greenness through generations of joint efforts, but also kindness across the Pacific Ocean. 
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二 |     这张图像展示了已知最大星系IC1101。图片来源：NASA/ESA/哈勃太空望远镜　　据ScienceNews网站最新报道，包括西班牙天文学家在内的联合团队通过超深成像观测确认已知最大星系边界。这个名为IC1101的星系直径达到约520千秒差距（星系尺度单位），接近170万光年，宽度相当于17个银河系并排排列，而这个星系目前还在成长。　　确定这一尺度的关键，是天文学家获取了迄今对IC1101曝光时间最长、探测最深的影像。这些图像由位于西班牙加那利群岛拉帕尔马岛的艾萨克·牛顿望远镜于早前拍摄。经过最新详细测算，天文学家得以识别这颗巨星系暗淡的外缘，同时算出IC1101的恒星物质总质量约为3.4万亿个太阳质量。　　IC1101坐落在距地球超过10亿光年的Abell2029星系团中心，是该星系团中光度最高的星系。这类星系位居宇宙中最庞大星系之列，其成长方式是通过反复吞并附近较小的星系来不断扩张，这一过程被称作星系同类相食。

三 | 　　此前的研究已经暗示IC1101体量巨大，但始终未能精确界定星系本体与外围星系团弥散物质之间的过渡边界。本次超深观测填补了这一空白。加那利天体物理研究所的天文学家们在星系边缘识别出带状尾流结构，认为这是IC1101与其他星系发生并合的产物，表明该星系迄今仍在吸积物质，生长并未停止。　　加那利天体物理研究所天文学家卡洛斯·马雷罗-德拉罗萨表示，IC1101展示了涉及反复并合与吸积的星系演化过程在极端尺度上的样貌，是可参照的星系未来演变样本。

四 | 　　这次边界判定之所以重要，是因为最亮团星系的暗弱外围通常会混入星系团的弥漫星光，导致很难判断巨星系本体的终结位置。IC1101的测量结果为这类天体的尺度研究提供了方法论样本。作为已知最大的星系，它的存在也揭示了在数十亿年的时间尺度上，宇宙中的最大尺度星系结构可以通过持续吞并周围星系而发展到何等极端的规模。（记者张梦然）。

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