额尔古纳市位于内蒙古自治区大兴安岭西北麓,呼伦贝尔草原北端,额尔古纳河右岸,是我国最北的边境城市。白桦树是额尔古纳的市树,在那次旅行中我们首先来到了占地1000多公顷的白桦林。被誉为“纯情树”的白桦树婀娜多姿,笔挺的枝干仿佛插入天空。洁白的树干上掺杂着稀疏的黑色。我倚着白桦 Erguna is located in the northwest of Daxinganling, Inner Mongolia Autonomous Region, the northern end of Hulunbeier grassland, the right bank of the Ergun River, is China’s northern border city. Birch is the city tree of Ergun, and on that trip we first came to a birch forest covering more than 1,000 hectares. Known as “innocent tree ” white birch graceful, straight branches seem to insert into the sky. The white trunk is sparsely dipped black. I’m leaning on white birch