A robot named "Xian'Er" makes its debut at Guangzhou Animation Festival in Guangzhou, capital of south China's Guangdong Province, Oct. 4, 2015. "Xian'Er" robot monk, the protagonist of cartoon series "Trouble, you seek for yourself" published by Longquan (Dragon Spring) Temple, is developed by the temple with artificial intelligence experts, which is able to sense its surroundings and answer questions about Buddhism. (Xinhua/Xue Dongmei)