Migrant workers enter Sansui Station in Sansui, southwest China's Guizhou Province, Feb. 20, 2021. More than 500 migrant workers from Jinping County of Guizhou Province took G2336, this year's first chartered train in Guizhou for migrant workers, to go to Yiwu, east China's Zhejiang Province, for work. (Xinhua/Liu Xu)