北京动物园在清末时期为农事试验场,由于水域分布较为分散,这里曾建过许多桥,有不少都延用至新中国成立初期。在扩建北京动物园时,又有些桥被拆除,只留下这些珍贵的老照片。 Beijing Zoo in the late Qing Dynasty as a farm test site, due to the distribution of water more dispersed, where many bridges have been built, many of which are extended to the early days of the founding of New China. At the time of the expansion of the Beijing Zoo, some bridges were dismantled, leaving only these precious old photos.