Is China Hiding the Truth About the Nepal Floods?

Is China hiding the full scale of the Nepal floods? Hundreds are dead and thousands are still missing after a massive section of the Himalayas collapsed — but some of the worst destruction happened inside Tibet, where independent journalists have extremely limited access. Mabel investigates what actually happened, why Nepal is rejecting foreign rescue teams, and the new dangers still unfolding in the mountains. Plus, what scientists are learning about what caused the collapse in the first place.