MAOTANCHANG, June 4, 2016 (Xinhua) -- Students bid farewell to each other at the entrance of Maotanchang High School in Maotanchang Town of Lu'an City, east China's Anhui Province, June 4, 2016. Nearly 20,000 students of Maotanchang High School (including Jin'an High School) will take part in the this year's national college entrance exam, or "gaokao". (Xinhua/Guo Chen)