In front of the cliffs of Santaní (Mallorca) there is a natural stone arch called "Es Pontàs" - the bridge. The American rock climber Chris Sharma established a climbing route (9b) at the inside of the bow in 2006.
Isiwal/Wikimedia Commons/CC BY-SA 3.0 AT [CC BY-SA 3.0 at], from Wikimedia Commons