Armin SMarch 24, 2015mount everest, drone flight, camera helicopter, himalayas, 20000 ft., ama dablan, lhotse, mt. everest, mountain view, snow field, flight, gravity research, travelComment Himalayas from 20,000 ft. Armin SMarch 24, 2015mount everest, drone flight, camera helicopter, himalayas, 20000 ft., ama dablan, lhotse, mt. everest, mountain view, snow field, flight, gravity research, travelComment