Yi Jiefeng lost her son, Yang Ruizhe, in a traffic accident in Japan in 2000. Yi almost succumbed to grief. Something held her back and she decided to devote her life to living out her son's dream of planting trees in the deserts of Inner Mongolia,
http://edition.cnn.com/2014/10/10/world/asia/greenlife-yi-jiefang-profile-above-and-beyond/index.html?hpt=hp_c4
