GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 23, 2015 shows a leontopithecus chrysomelas at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Liu Dawei)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 15, 2015 shows a white-headed langur at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Wu Xin)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 23, 2015 shows two marmosets at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Liu Dawei)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 23, 2015 shows a golden monkey at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Liu Dawei)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 23, 2015 shows a ring-tailed lemur at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Liu Dawei)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 4-5, 2015 shows monkeys at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Wu Xin)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 23, 2015 shows a macaca leonina at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Liu Dawei)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 4-5, 2015 shows monkeys at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Wu Xin)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 4-5, 2015 shows monkeys at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Wu Xin)

GUANGZHOU, Jan. 18, 2016 (Xinhua) -- Photo taken on Dec. 23, 2015 shows a squirrel monkey at Chimelong Safari Park in Guangzhou, capital of south China's Guangdong Province. More than 60 types of primates can be found at Chimelong Safari Park. (Xinhua/Liu Dawei) 10