Cai Jiwen (1st L) and his family pose for a group photo in front of their old house before moving to their new house, in Yuehua Town in Dazhou City in southwest China's Sichuan Province, Feb. 3, 2018. The 46-year-old migrant worker Cai and his wife go back home by train on Feb. 1. Their new home, one of 144 apartments built for relocated residents from poor areas, is located in a settlement in Jiuyin Village of Yuehua Town in Dazhou City in southwest China's Sichuan Province. (Xinhua/Liu Kun)