失去的风景令人怀想,消失的文明令人怀旧,这也是当今寻根文学和地理考察记突然时兴起来的原因。[1]1860年(咸丰十年)10月,英法联军攻占北京,火烧圆明园之际,俄国人逼迫清政府签订了丧权辱国的《中俄北京条约》。条约规定,中俄东段边界以黑龙江、乌苏里江为界,黑龙江以北、乌苏 The lost landscape is a dream, the vanishing civilization is nostalgic, which is why contemporary root-seeking literature and geography study suddenly emerge. [1] 1860 (Xianfeng ten years) In October, when the British, French and French forces captured Beijing and set fire to the Summer Palace, the Russians forced the Qing government to sign the “Sino-Russian Treaty of Peking” that betrayed the country. Treaty provides that the eastern border of China and Russia to Heilongjiang, Wusuli River as the boundary, north of Heilongjiang, Wusu