The Necessity And Beauty Of Challenges

Every animal on the planet is almost constantly subjected to the demand of the environment. For survival, animals need to be active most of their day. Every activity serves one of three purposes: gathering food for energy, producing offspring, and avoiding being killed. This puts tremendous pressure on them and they need to be efficient, healthy and strong, otherwise, they do not survive.

Cold-Water Swimming
Cold-Water Swimming: A Way Of Deliberate Challenge