This photo taken on Sept. 22, 2025 shows the exterior view of the venue of the 5th World Congress of Biosphere Reserves in Hangzhou, east China's Zhejiang province. [Photo/Xinhua] Some 4,000 delegates ...
This photo taken on Sept. 22, 2025 shows the exterior view of the venue of the 5th World Congress of Biosphere Reserves in Hangzhou, east China's Zhejiang province. The 5th World Congress of Biosphere ...
编者注：生物圈二号（Biosphere 2）位于美国亚利桑那州图森市北部的Oracle地区，是人造封闭生态系统，占地1.3万平方米，大约有8层楼高，为圆顶形密封钢架结构玻璃建筑物。“生物圈二号”建造于1987年到1989年之间，它被用于测试人类是否能在以及如何在一个 ...
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