CHONGQING, CHINA - OCTOBER 9:  A black swan rests at the Changhai Wild Animal Rescue Center on October 9, 2007 in Chongqing Municipality, China. Yang Changhai, a 61-year-old retired worker, founded the center in 2005 and rescued over 200 wild animals. The expenditure of the center costs over 80,000 yuan (about USD 10,666) each year. Getty Images logo Getty Images 25 months ago

CHONGQING, CHINA - OCTOBER 9: A black swan rests at the Changhai Wild Animal Rescue Center on October 9, 2007 in Chongqing Municipality, China. Yang Changhai, a 61-year-old retired worker, founded the center in 2005 and rescued over 200 wild animals. The expenditure of the center costs over 80,000 yuan (about USD 10,666) each year.