Guanziling

Coordinates: 23°20′0″N 120°30′0″E / 23.33333°N 120.50000°E / 23.33333; 120.50000

Guanziling (Chinese: 關子嶺; pinyin: Guānzilǐng; Wade–Giles: Kuan¹-tzu¹-ling³) in Tainan is one of the most famous hot spring sites in Taiwan. This rare spring releases methane, which has been burning constantly for around three centuries.

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Wikipedia