With the toughest of its pandemic days behind, China is rapidly bouncing back across all sectors - tourism no less. Wudang Mountains in the central regions are again seeing crowds trailing up the steep steps, taking in the impressive views. But beyond that, many of them are in fact pilgrims to what's known as the cradle of China's oldest religion, with a philosophical way of looking at life still very much relevant today. Jiao Yang takes us there.