evidence: Back in 1971, Chen was working in a textile factory when an old man by the river asked him to help collect corpses. Reluctant at first, Chen says he agreed later when the old man said, "This is to do good and accumulate virtue." He came to know Ding Dongsheng as one of the few remaining members of the Peixin Shantang charitable organization, established in 1848 to aid river rescue and cadaver collection. [...] Corpse collectors Wei Yingquan and his 38-year-old son Wei Zhijun charge at least 500 yuan for their services to bereaved families along the Lanzhou section of the Yellow River in Gansu Province, Northwest China.