Children of migrant workers make local food "zi mao rou yuan", which consists of meatball and glutinous rice, in a celebrating activity in Tangqi ancient town in Hangzhou, capital of east China's Zhejiang Province, Feb. 8, 2018. Migrant workers take part in various folk activities with their children, who came from other cities for family gatherings, to celebrate the coming Spring Festival which falls on Feb. 16 this year. (Xinhua/Xu Yu)