File photo taken on June 1, 2008 shows 5-year-old Yang Nuo playing with a soldier, who is here for rescue work, in quake-hit Yingxiu Town, Wenchuan County, southwest China's Sichuan Province. This set of 41 old photos, taken from 1978 to 2018 by year, pictorially record childhood moments of Chinese kids in the past four decades. (Xinhua/Lin Yiguang)