free solo climbing

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

free solo klimmen, soloklimmen zonder touw

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 is beroemd om zijn free solo klimmen van El Capitan.
Free solo climbing requires extreme skill and courage.
Free solo klimmen vereist extreme vaardigheid en moed.