Photo Ark is a multiyear effort to document every species living in zoos， inspire action through education and help protect wildlife by supporting on-the-ground conservation efforts. National Geographic Explorer Joel Sartore started the Photo Ark in his hometown of Lincoln， he has visited more than 60 countries and photographed more than 18， Nebraska， aquariums，000 species in his quest to create this photo archive of global biodiversity. No matter its size， and wildlife sanctuaries。
each animal is treated with the same amount of affection and respect. The results are portraits that are not just stunningly beautiful， but also intimate and moving. 。
in 2006. Since then，。