How are steep and difficult mountains like K2, Annapurna, Jannu climbed for the first time without ropes, ladders and harnesses from above for support?

Question

How are steep and difficult mountains like K2, Annapurna, Jannu climbed for the first time without ropes, ladders and harnesses from above for support?

In: 59

Answer 1

The first climber is climbing above their gear, setting new anchors and hooking into them. The last climber in the team removes the anchors. If anyone falls they will be caught by the other team members through the anchors along the route.