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Two men watch a show on electrotechnics on a TV in Chengdu, Southwest China's Sichuan province, in 1987. [Photo by Yann Layma/provided to chinadaily.com.cn]

A senior citizen watches a health education show on TV in Yanjiao, North China's Hebei province, Feb 5, 2015. [Photo by Kou Shangmin/provided to chinadaily.com.cn]