Bainiao Grotto (Hundred Bird Rock) in Bama, Guangxi

Located in Bama Yao Autonomous County, Guangxi, Bainiao Grotto (Hundred Bird Rock), is a unique underground river cave, a masterpiece of nature for hundreds of millions of years. There is no artificial decoration or modification here. Everything is natural. The inner disturbance and fatigue seem to be cleansed and smoothed in such a quiet and peaceful environment.