The natural ecosystem is extremely sensitive easily destroyed even by a subtle impact from outside. In particular, human interference has a fatal effect on the fates of different species. Biological species are endangered because of human desires and interference, but on the other hand, they exercise and amazing force of restoration once the human interference disappears. This is due do the ability of restoration that nature retains. <The Return> examines the marvelous self-restoring force and healing power of nature through wild animals that were once driven to extinction because of humans but return to Mother Nature as human interference disappears.
