The photo taken on June 3, 2021 reveals scenes of the First National Congress of the Communist Party of China held in Shanghai in 1921. (Photos: China News Service/Zhang Hengwei)

The Xinqingnian?magazine (“La Jeunesse”) is showcased at the Memorial for the Site of the First National Congress of the Communist Party of China, June 3, 2021.

A series of historic publications are exhibited at the Memorial for?the Site of the First National Congress of the Communist Party of China, June 3, 2021.

The Chinese version of the Communist Manifesto is seen at the Memorial for the Site of the First National Congress of the Communist Party of China, June 3, 2021.

A typewriter used by Li Dazhao,a founder of the CPC,is displayed at the Memorial for the Site of the First National Congress of the Communist Party of China, June 3, 2021.

A photo signed by a founder of the CPC Li Dazhao in 1920 is shown at the Memorial for?the Site of the First National Congress of the Communist Party of China, June 3, 2021.

The sector shows the?Xinhai Revolution in 1911 led by Sun Yat-sen at the Memorial for the Site of the First National Congress of the Communist Party of China, June 3, 2021.