National Geographic on Instagram: "Video by @renan_ozturk | One of the single most impressive feats I witnessed on Everest this past season (on the north side) was the load carried by high-altitude workers—Sherpas and other ethnic groups—from Advanced Base Camp, at around 21,000 feet (6,400m), to high camp, at 27,500 feet (8,400m), and back again. They superhumanly go through the night, with oxygen bottles and other supplies to set up everyone’s summit bids later in the season. This time-lapse s

On Oct. 15, American climber Jim Morrison became the first person to ski down Mount Everest's most challenging route, the Hornbein Couloir, a narrow and steep gully just over 1,100 feet below the mountain's summit. The feat is the subject of an upcoming National Geographic documentary which is currently in production. Morrison took on the challenge with renowned filmmaker and mountaineer Jimmy Chin, director of 2018's "Free Solo," which won an Oscar for documenting rock climber Alex Honnold's fr