In this video D J Clark travels to the Nepal/China border to investigate a potential natural disaster that involves both countries. Numerous glacial lakes make up the source of the Boqu river on the China side of the border. Experts from both China and Nepal claim that due to climate change nine of the lakes in the Boqu basin are growing at an alarming rate and pose an imminent threat of bursting their banks and sending a wall of up to 15 meters of water down the valley and into Nepal.