Seagulls compete for food over the Xinkai River in Qinhuangdao, north China's Hebei Province, Jan. 12, 2014. As weather turned colder, seagulls flocked to downtown Qinhuangdao City for food. (Xinhua/Yang Shiyao) 

Seagulls compete for food over the Xinkai River in Qinhuangdao, north China's Hebei Province, Jan. 12, 2014. As weather turned colder, seagulls flocked to downtown Qinhuangdao City for food. (Xinhua/Yang Shiyao) 

Seagulls compete for food over the Xinkai River in Qinhuangdao, north China's Hebei Province, Jan. 12, 2014. As weather turned colder, seagulls flocked to downtown Qinhuangdao City for food. (Xinhua/Yang Shiyao) 

Seagulls frolic over the Xinkai River in Qinhuangdao, north China's Hebei Province, Jan. 12, 2014. As weather turned colder, seagulls flocked to downtown Qinhuangdao City for food. (Xinhua/Yang Shiyao) 

People feed seagulls by the Xinkai River in Qinhuangdao, north China's Hebei Province, Jan. 12, 2014. As weather turned colder, seagulls flocked to downtown Qinhuangdao City for food. (Xinhua/Yang Shiyao)