Climbers' harebrained endeavors to make risky first winter ascents of K2 were rife with ego and tragedy, as well as intrigue and triumph. It's New Year's Eve, 2020, at K2 base camp, a tent ...

It's not exactly alpine style up a new route, but Vassiliy Pivtso, 49, and his small team will try to make their Makalu climb ...

After climbing K2 on his own in 11 hours without oxygen ... He has just done a five-day winter solo of the Dru, one of the great granite towers in the Mont Blanc massif near Chamonix.

The group stopped 10m below the top, and took the final steps together to be on the top simultaneously. K2 was the last of the fourteen 8,000-meter peaks not summited in winter.