Two participants take part in a Chinese chess game organized by Yunnan University. [Photo/ynu.edu.cn]

Yunnan University (YNU) hosted a special event for former staff on March 19 and 20.

They were invited in to take part in games of Chinese chess, mahjong and poker.

At present, there are currently 1,800 former members of staff still alive, with 1,500 attending the two-day event.