Photo taken on March 1, 2015 with a cellphone shows a quake-damaged house of the local government at Mengding Township of Gengma Dai and Wa Autonomous County in Lincang City, southwest China's Yunnan Province. A 5.5 magnitude earthquake jolted Cangyuan, an autonomous county where many of China's Wa ethnic group live, at 6:24 p.m. Sunday. The number of casualties was unknown as of 7 p.m.. (Xinhua)