Er Wang Dong
Er Wang Dong is a large cave in the Wulong Karst region , in Wulong County of Chongqing Municipality of China . 
<triplet> Wulong Karst <subj> China <obj> country <triplet> Wulong County <subj> Chongqing <obj> located in the administrative territorial entity <subj> China <obj> country <triplet> Chongqing <subj> Wulong County <obj> contains administrative territorial entity <subj> China <obj> country <triplet> China <subj> Chongqing <obj> contains administrative territorial entity