DISCOVERY CHANNEL TO AIR ‘EVEREST AVALANCHE TRAGEDY’ ON SUNDAY, MAY 4 ‘EVEREST AVALANCHE TRAGEDY’ AIRS ON SUNDAY, MAY 4 (Los Angeles, Calif.) – Discovery Channel announced today that it will broadcast a 90-minute documentary, titled EVEREST AVALANCHE TRAGEDY, on Sunday, May 4, at 9 PM ET/PT that will air around the world in 224 countries. […]