More than 20 former professors, alumni and teachers of Shaanxi Normal University write admission letters with Chinese writing brush to the university's freshmen in Xi'an, Northwest China's Shaanxi province on July 15, 2017. They will write 4,500 admission letters in 10 days. Shaanxi Normal University is reportedly the only university producing calligraphy admission letters in China, keeping the tradition alive. [Photo/People's Daily Sina Weibo account]