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Isostatic rebound causes Everest to rise 0.01-0.02 inches yearly, offsetting surface erosion from wind and rain.
Drone can carry 15kg of supplies between camps in 12 minutes for round trip
Britain's Kenton Cool, 50, and Nepali guide Kami Rita Sherpa, 54, climb Mount Everest for their 18th and 29th times
Legendary mountaineer gears up to climb four peaks in next two years
Mountaineer becomes first Pakistani woman to summit seven peaks exceeding 8000 metres
Conquering the majestic mountain means he is now part of an exclusive cohort of individuals to summit Mount Everest
Cool, who climbed the 8,849-metre peak for the first time in 2004, said the giant mountain appears to be drying now
Official says Indian climber has been missing since Monday
Zhang Hong completes 8,849 metre-high Himalayan feat on May 24 along with three high altitude guides
Tsang Yin-hung scales 29,031 feet mountain in a record time of 25 hours and 50 minutes