(XINHUA)

Retired professors from Nanjing University of Aeronautics and Astronautics play games in celebration of the Chongyang Festival on October 23.

Chongyang Festival is a traditional Chinese festival which falls on the ninth day of the ninth lunar month. Chinese celebrants spend the holiday hiking along scenic hills, enjoying the beauty of chrysanthemums, and drinking chrysanthemum wine. The festival was designated as the country's Seniors' Day by the Chinese Government in 1989.