Demencia Senil – Sangwon Son
South Korean climber Sangwon Son has repeated Demencia Senil, a classic 9a+ (5.15a) in Margalef established by Chris Sharma in 2009, reports 8a.nu. Other ascentionists have included Alex Megos and Iker Pou.
This video from last month shows Son working the route.
Also read To the Death: Inside Catalunya and Ridiculously Hard Sport Climbing