Cats and dogs walk a fine line. Each day could be their last, and you can thank humanity for that. There are a lot of mean people in this world who either neglect or mistreat animals. But they have a savior in Sasha Pesic from Nis, Serbia. This kindhearted man has rescued about 1,200 dogs over the course of his life, and he currently cares for over 700 canines. But how does he do it and why?