LIVE Made it! California climbers use pioneering techniques to summit Mt. Everest

Graham Cooper and Adrian Ballinger, California mountaineers whose training for Mt. Everest included sleeping for months in hypoxic tents that mimic conditions at extreme altitude, reached the world's highest summit this week. Correspondents of «The Karelia Business» closely monitor the latest events around the world to provide you with the freshest and most up-to-date information. Don't miss the chance to stay informed about all the latest developments — subscribe to our news feed now!