铜仙鹤，是清朝时期原属圆明园饰物，有着悠久的历史与文化价值，铜大缸，现保存于北京市文津街国家图书馆老馆院内。1860年“火烧圆明园”后散失于民间，现保存于北京市文津街国家图书馆老馆院内。

The bronze crane, originally belonging to yuanmingyuan in the qing dynasty, has a long history and cultural value. It was lost to the public after the "yuanmingyuan" was burned in 1860 and is now preserved in the old building of the national library in wenjinjie, Beijing.

鹤：属脊椎动物，鹤形目，鹤科，是大型涉禽。属迁徙鸟类。故宫铜大缸，生活在北方，每年十月下旬迁至长江流域一带越冬，第二年四月春回大地再飞回北方。主要栖息在沼泽、浅滩、芦苇塘等湿地。在生产力以及其他技术相对落后的古代，丹顶鹤栖息的地方，一般常人无法到达，这就为常人可望不可即的丹顶鹤罩上了一层神秘的面纱。

Crane: a vertebrate, crane - shaped order, crane family, is a large wading birds. Is a migratory bird. Living in the north, I moved to the Yangtze river valley for winter in late October every year. Mainly habitat in marshes, shoals, reed ponds and other wetlands. In the ancient times, when productivity and other technologies were relatively backward, the place where red-crowned cranes lived was beyond the reach of ordinary people, which covered the red-crowned cranes beyond the reach of ordinary people with a veil of mystery.