Readers are seen at a parent-child reading library of Taiyuan Library in north China's Shanxi Province, June 17, 2018, the second day of the Dragon Boat Festival holiday. (Xinhua/Yang Chenguang)

Readers enter a parent-child reading library of Taiyuan Library in north China's Shanxi Province, June 17, 2018, the second day of the Dragon Boat Festival holiday. (Xinhua/Yang Chenguang)

Readers are seen at a parent-child reading library of Taiyuan Library in north China's Shanxi Province, June 17, 2018, the second day of the Dragon Boat Festival holiday. (Xinhua/Yang Chenguang)