Workers sort crayfish into crates at a crayfish trading center in Qianjiang, Hubei Province, on Tuesday. As crayfish remains a popular culinary dish in China and overseas, the related industry brings job opportunities and income raises to many in major production areas such as Qianjiang. Nearly two of three crayfish eaten in Europe hail from the small town of Qianjiang, China’s largest crayfish export base.Xinhua