Dawa Sherpa, a Mount Everest guide, was found alive on Thursday, six days after he went missing.

Dawa Sherpa, 57, was found alive on Thursday, nearly a week after he was last seen on the mountain. His wife says more could have been done to find him sooner.

Glacial ice has sealed the gateway to Everest’s summit, keeping hundreds of climbers from reaching the top. “Icefall doctors” are on the case.