Themed exhibition on China's great changes: Science and technology(1/4)

A visitor takes photos of a dual-arm robot displayed at the themed exhibition "Forging Ahead in the New Era" at the Beijing Exhibition Hall in Beijing, Oct. 11, 2022. (Photo: China News Service/Tian Yuhao)

Visitors view the lunar sample displayed at the themed exhibition "Forging Ahead in the New Era" at the Beijing Exhibition Hall in Beijing, Oct. 11, 2022. (Photo: China News Service/Tian Yuhao)

A humanoid robot is on show at the themed exhibition "Forging Ahead in the New Era" at the Beijing Exhibition Hall in Beijing, Oct. 11, 2022. (Photo: China News Service/Tian Yuhao)

A man takes photos of an exhibit at the themed exhibition "Forging Ahead in the New Era" at the Beijing Exhibition Hall in Beijing, Oct. 11, 2022. (Photo: China News Service/Tian Yuhao)