Gorkha Valley

As the helicopter swooped over Nepal's lush Gorkha Valley in search of earthquake survivors, the 10-foot 'HELP!' sign spelled out by a desperate group of foreign trekkers couldn't fail to grab the pilot's attention.

As the helicopter swooped over Nepal's lush Gorkha Valley in search of earthquake survivors, the 10-foot 'HELP!' sign spelled out by a desperate group of foreign trekkers couldn't fail to grab the pilot's attention.