Group Photos
Oct. 20th 2019 at Labagou, Beijing
Jun. 1st 2018 at TIPC
Jul. 23rd 2017 at TIPC
Oct. 2nd 2015 at TIPC
May 22nd 2015 at Wudaokou
Summer 2013 at TIPC
Summer 2012 at TIPC
Winter 2010 at office