Meaning of the word "free solo climbing" in English

What does "free solo climbing" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

free solo climbing

US /friː ˈsoʊloʊ ˈklaɪmɪŋ/
UK /friː ˈsəʊ.ləʊ ˈklaɪ.mɪŋ/
"free solo climbing" picture

Noun

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

Example:
Alex Honnold is famous for his free solo climbing of El Capitan.
Free solo climbing requires extreme skill and courage.