free solo climbing

US /friː ˈsoʊloʊ ˈklaɪmɪŋ/
UK /friː ˈsoʊloʊ ˈklaɪmɪŋ/
"free solo climbing" picture
1.

arrampicata in free solo, free solo

a form of rock climbing where the climber ascends alone without ropes, harnesses, or other protective equipment, relying solely on their physical strength and mental fortitude

:
Alex Honnold is famous for his free solo climbing of El Capitan.
Alex Honnold è famoso per la sua arrampicata in free solo di El Capitan.
Free solo climbing requires extreme skill and courage.
L'arrampicata in free solo richiede abilità e coraggio estremi.