This photo provided by Azim Afif shows the scene after an avalanche triggered by a massive earthquake swept across Everest Base Camp, Nepal on Saturday, April 25, 2015.

Photos: Deadly avalanche on Mt. Everest

An avalanche triggered by a massive earthquake swept across Nepal’s Mount Everest region, killing at least 10 climbers and guides.

A building stands damaged after an earthquake in Kathmandu, Nepal, Saturday, April 25, 2015.

Photos: Earthquake strikes Nepal

A powerful earthquake struck Nepal Saturday, killing over 1,400 people and destroying centuries-old buildings.

Live Arts 042415

Photos: Live Arts

Live Arts was one night, on one stage with 1,500 performers performing an epic storytelling adventure incorporating both music and dance.

FILE - In this May 5, 1995 file photo, a large group of search and rescue crew attends a memorial service in front of the Alfred P. Murrah Federal Building in Oklahoma City.

Photos: Oklahoma City bombing

On April 19, 1995, a pair of former U.S. Army soldiers parked a truck packed with explosives outside a federal building in Oklahoma City.