
Seven-year-old Wang Yanya and her 63-year-old grandmother Yin Jialing read books in a supermarket in southwest China's Chongqing Municipality on April 22, 2017. The World Book Day falls on April 23. (Xinhua/Wang Quanchao)

Seven-year-old Wang Yanya and her 63-year-old grandmother Yin Jialing read books in a supermarket in southwest China's Chongqing Municipality on April 22, 2017. The World Book Day falls on April 23. (Xinhua/Wang Quanchao)