Tags: Cave.
Yilong Cave (simplified Chinese: 义龙洞; traditional Chinese: 義龍洞; pinyin: Yìlóng Dòng; literally righteous dragon cave) is a 180 million year old karst cave located in Pingxiang City Jiangxi Province People’s Republic of China. Also known as Nielong Cave (孽龙洞/孽龍洞 literally evil dragon cave) the cave extends to around 4200 m (13800 ft) in length. Inside there are unusual rock formations small streams and waterfalls.