LGM3468550: Drying green tea leaves, Hangzhou Tea Company, Hangzhou, Zhejiang Province, China (photo) / Bridgeman Images

LGM3468562: Spools of silk being put on to bobbins ready for weaving in the Chinese Silk Process, Hangzhou Silk Company factory, Hangzhou, Zheijang Province, China (photo) / Bridgeman Images

LGM3468618: Tea Dance, Harbin, Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468623: Chinese Army soldiers guarding Yangtze River Bridge as freight train crosses, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468629: Chinese middle school students in Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468630: Chinese teacher in middle school, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468634: Chinese teacher in middle school, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468642: Chinese commune worker with bullock levelling puddled fields for rice transplanting, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468643: Chinese commune worker with bullock levelling puddled fields for rice transplanting, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468645: Chinese commune workers transplanting rice seedlings in puddled and level fields, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468646: Chinese commune workers transplanting rice seedlings in puddled and level fields, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468648: Chinese commune workers transplanting rice seedlings in puddled and level fields, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468650: Chinese commune workers transplanting rice seedlings in puddled and level fields, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468652: Chinese commune workers transplanting rice seedlings in puddled and level fields, Nanjing, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468654: Chinese commune worker fertilising rice puddled fields, Nanjing, Jiangsu Province, China, 1980s, 80s (photo) / Bridgeman Images

LGM3468659: Chinese tractor driver having a siesta ontop of his tractor during deliveries to Nanjing market, Jiangsu Province, China (photo) / Bridgeman Images

LGM3468672: Circus act with tiger in Shanghai Circus, Shanghai, China (photo) / Bridgeman Images

LGM3468679: Dancing, Shanghai club, China (photo) / Bridgeman Images

LGM3468682: Shanghai Hotel doormen, China (photo) / Bridgeman Images

LGM3468684: Bamboo building scaffolding, Shanghai, China (photo) / Bridgeman Images

LGM3468688: Shanghai Tea House, China (photo) / Bridgeman Images

LGM3468696: Shanghai Carpet Factory managers, above Time and Efficiency English sign, Shanghai, China (photo) / Bridgeman Images

LGM3468697: Shanghai Carpet Factory carpet designers, Shanghai, China (photo) / Bridgeman Images

LGM3468701: Television assembly line, Shanghai Television Factory, Shanghai, China (photo) / Bridgeman Images

LGM3468708: Television assembly line, Shanghai Television Factory, Shanghai, China (photo) / Bridgeman Images

LGM3468709: Shanghai Television Factory, Shanghai, China (photo) / Bridgeman Images

LGM3468361: Oil well riggers, Daqing Oil Fields, Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468366: Oil well riggers, Daqing Oil Fields, Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468368: Oil Pumps, Nodding Donkeys, Daqing Oil Fields, Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468370: Children playing on oil field installations, Daqing, Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468374: Oil rig in Daqing Oil Fields, Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468402: Geese and pig in villlage outside Daqing, Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468406: Provincial railway station in Heilongjiang Province, China (photo) / Bridgeman Images

LGM3468310: child standing on bicycle carrier, Chengdu, Sichuan, China (photo) / Bridgeman Images

LGM3468325: Woman in brightly coloured clothes pushing wooden wheelbarrow in Sichuan countryside, China (photo) / Bridgeman Images

LGM3468347: Drawing of guard lecturing prisoner in Chinese Youth Detention Center, Chengdu, China, 1985 (photo) / Bridgeman Images