When people say to me, you must have a very strong mind to swim across the North Pole, or off Antarctica or on Mount Everest, I tell them that endurance swimming builds good mental strength.
p 16 - 21 Yaks And A Speedo (2013)
When people say to me, you must have a very strong mind to swim across the North Pole, or off Antarctica or on Mount Everest, I tell them that endurance swimming builds good mental strength.
p 16 - 21 Yaks And A Speedo (2013)