In southern China's lush ... this was no ordinary rock formation. The Xianren Bridge, also known as the Fairy Bridge, spans roughly 400 feet, making it the largest natural arch on Earth.

With Moon Hill, The White Mountain and 30 other crags, Yangshuo is one of the most important and interesting areas for rock climbing in China ... bolted the incredible natural arch called Moon Hill ...

This mountain road is not for the faint-hearted, as it passes through a landscape dominated by harsh cliff edges and lush greenery.