Wusong Island is a small island on the Songhua River. It is located in Manchu Town, Wula Street, Longtan District, Jilin City, Jilin Province. Hanh, Zeng Tongyu and other villages in Wulu Street Manchu Town are the most concentrated places for smog and the best place to watch and shoot smog. Especially in Zengtong Village, there is a saying that "seeing the fog, going to Zengtong". The best viewing season for Hazy Island is from late December to the end of February. The best smog shooting time is 10 per day.