Tai Chi of the design idea can be traced back to an ancient legend: a nautical miles east of Penglai, Yingzhou, the abbot three Senzan, in the mountains of the gods have Changshengbulao Xiandan.

• 太液池的设计思想可以追溯到一个古老的传说：东方海里有蓬莱、瀛州、方丈三座仙山，山中的神仙拥有长生不老的仙丹。