Zhao Zelun arranges the vegetable field's fence made of old fishing net in Chongqing, southwest China, Jan. 7, 2020. From Jan. 1, 2020, China began a 10-year fishing ban in key areas of the Yangtze River to protect biodiversity. Zhao, finishing his 30 years' career as fisherman, started a farm hostel business in Zhongba Island. (Xinhua/Liu Chan)