They finally found it here: in the bats of Shitou Cave.
他们终于在这里找到了:石头洞的蝙蝠中。
英语百科
Stone City 石头城
(重定向自Shitou)
The Stone City (Chinese:石頭城; pinyin:Shítóu Chéng) is the site of an ancient fortified city within Nanjing, Jiangsu province, China. Almost all of the original city is gone; all that remains are portions of the massive city wall.