The oceans cover 71 percent of the Earth's surface. The vast and boundless water bodies always abide by the laws of tides. Watch this episode to find out how crabs have found home in the intertidal zones of south China's Guangdong Province.

For more:

Guangdong Nan'ao Series | Episode 1: Windy Island

Guangdong Nan'ao Series | Episode 2: Reef Ninja

Guangdong Nan'ao Series | Episode 3: Brown-winged dancer

Guangdong Nan'ao Series | Episode 4: Black-naped Tern
 

(Cover image via a screenshot)

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