An exhibitor introduces a cultivation technique to visitors at an exhibition area organized by Beijing Municipal Bureau of Agriculture and Rural Affairs during the 17th China International Agricultural Trade Fair (CATF) in Nanchang, capital of east China''s Jiangxi Province, Nov. 15, 2019. The 17th CATF kicked off Friday in Nanchang with around 8,000 exhibitors attending the fair. (Xinhua/Zhou Mi)