Graduates of the first training class of the UNRRA-sponsored Food Preservation Program pose outside their classroom United Nations Relief and Rehabilitation Administration CNRRA / 491 Shanghai, China -- July 1947 The students, specially selected by the Ministry of Agriculture and Forestry, go out into interior regions of China upon graduation to teach new methods of food preservation to Chinese farmers (Photo by Wipperman) Chinese National Relief and Rehabilitation Administration China Food industry -- China Home food processing -- China Students -- China -- Shanghai United Nations Relief and Rehabilitation Administration RM http://search.archives.un.org/s-0801-0006-0003-00004 S-0801-0006-0003-00004 Security level: Unclassified