In this file photo archived on March 24, 1981, students read magazines at a park by the West Lake in Hangzhou, east China's Zhejiang Province. As China celebrates the International Children's Day, there arises the occasion for grown-ups to think back over the joys of childhood. With the evolution of technology and lifestyle, children are exposed to a wider range of entertainment. Nevertheless, joy would remain a childhood motif no matter how its forms change with time. (Xinhua/Wu Yuanliu)