Soft Stone, Rigid Ethics: The History of Europe’s Boldest Climbing Area
In the Elbe River Valley they were climbing 5.9+ by 1905 and 5.10+/5.11 by 1922. And they were doing this with knotted slings as pro.
Elbe River Valley
Elbe River Valley
Adam Ondra: Sketchy Ground-Up Bolting on Czech Sandstone
Check out The Editors's author page.