Xuan'en County
Xuan'en County () is a county of southwestern Hubei province, People's Republic of China, bordering Hunan province to the south. It is under the administration of the Enshi Tujia and Miao Autonomous Prefecture. A remarkable topographic feature found in Xuan'en County is a 290-meter deep karst sinkhole, located near the village of Luoquanyan (). According to news reports, the sinkhole, which occupies around 100 "mu" (6 hectares), has its own unique ecosystem. Administrative Divisions. Five towns: Four townships: