Cache 是一个带磁铁的口香糖盒子，只有签到纸。请带上自己的笔。
Cache is a magnetic chewing gum bottle only logpaper. BYOP.
北京月坛在今北京市西城区南礼士路以西，月坛北街以南，始建于明朝嘉靖九年（1530年），清代重修，是北京九坛八庙之一，与其南部的仿古园林组成月坛公园。主建筑即坛体广四丈，高四尺六寸，坛面以白色琉璃铺砌，四面各出白石陛阶六级。在明清文献中提及的坛内主要建筑，除祭坛坛台和内坛坛墙被拆毁外，其余如钟楼、天门、具服殿、神库等古建筑尚存。
维基百科中文介绍： 月坛
The Temple of the Moon (Chinese: 月坛/月壇, Pinyin: Yuètán) is an altar located in Fuchengmen, Xicheng District, in western Beijing, China. The altar was built in 1530 during the Ming Dynasty for use in ritual sacrifice to the Moon by the Emperor of China.
The altar and the surrounding grounds are within a public park. The altar itself is no longer intact, though the surrounding walls remain.
门票1元。
Fee = 1RMB