父女院士：李四光和李林的故事／巴义尔北京西郊的一处铁栏杆里围着一棵古老的大树，树干要几人合抱。旁边的老人介绍，这叫白果树，学名叫银杏，这树至少有几百年了。满树的白果沉甸甸的，一个专门的看树人在旁边搭了个帐篷，顽童在树边上玩耍，古老的树和稚嫩的娃娃构成... Father and daughter academicians: the story of Li Siguang and Li Lin / Ba Jier An iron tree in the western suburbs of Beijing surrounded by an ancient tree, the trunk to a few people. Next to the introduction of the elderly, called the gingko trees, scientific name is ginkgo, this tree at least for hundreds of years. Ginkgo full of trees heavy, a special look at the tree in the next to take a tent, urchins play in the edge of the tree, the old trees and immature doll pose ...