Dangerous fishing in South China Sea
With a third of the world's shipping passing through its waters, the South China Sea is of vital strategic importance.
But increasingly, territorial disputes are flaring over the sea's potentially huge oil and gas deposits. Several Asian nations blame China for rising tensions across the region.
Wang Chun Li has been fishing in the South China Sea for decades. Now the 50-year-old says the waters are the most dangerous he has ever experienced.