A tug of war competition is organized by Changchun Engineering Consulting Co in Changchun, Northeast China's Jilin province, on April 16, in celebration of the 100th anniversary of the founding of the Communist Party of China (CPC). The event also included quizzes on Party history. [Photo provided to chinadaily.com.cn]

Participants draw questions on Party history from a box, April 16. [Photo provided to chinadaily.com.cn]

A representative of a winning team poses for a picture holding a trophy, April 16. [Photo provided to chinadaily.com.cn]

A tug of war competition is held on April 16. [Photo provided to chinadaily.com.cn]