Tengchong is a famous active area of the modern volcano, where the hydrothermal activity is very violent.

腾冲不但是现代火山活动区，也是地热异常区，这里温泉、热泉及喷气孔到处可见。

youdao

Tengchong is a famous active area of the modern volcano, where the hydrothermal activity is very violent.

腾冲不但是现代火山活动区，也是地热异常区，这里温泉、热泉及喷气孔到处可见。

youdao