|Country||People's Republic of China|
|Time zone||UTC+8 (China Standard)|
Xuan'en County (Chinese: 宣恩; pinyin: Xuān'ēn) 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 (锣圈岩村). According to news reports, the sinkhole, which occupies around 100 mu (6 hectares), has its own unique ecosystem.
- 湖北290米深天坑藏动植物王国. 燕子筑巢昆虫飞翔 [A plant and animal kingdom preserved inside a 290-meter deep Hubei sinkhole. Swallows build nests, and insects fly.], 淮海晚报 (in Chinese), 2015-05-22
- "Photos: See the Chinese Sinkhole That Developed Its Own Ecosystem", The Wall Street Journal Blog, 2015-05-22
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