40 Tibetan children from the Yushu Prefecture Children's Welfare Institute in Qinghai. They came to Beijing from their hometown at an altitude of 4500,40 meters.

The children may not be able to describe exactly what kind of nutrients they will absorb from the soil when they come to Beijing, but if you look closer, you will observe some small changes.. Authors: Zhao Yifan, Li Xiaoyu, Liu Yue                 In the past few days, Beijing has welcomed a group of special guests: 40 Tibetan children.