The open-pit mine autonomous driving technology is on display in Hall 8 during the 21st China Hi-tech Fair (CHTF) at the Shenzhen Convention and Exhibition Center in Futian District, Shenzhen. Photos by Sun Yuchen

The Guangdong-Hong Kong-Macao Bay Area (Greater Bay Area) section is seen in Hall 9 .

A booth shows eco-agriculture technologies in Hall 8.

Suitcases that are able to “follow” their owners.

A two-limb bomb disposal robot, the first of its kind in China.

The Hong Kong booth at the Greater Bay Area display area.

A robot used to land on and explore the moon is on display in Hall 8.

A staff member of a Guangzhou company demonstrates a robot designed for combat.