Jiaolong, China's manned deep-sea submersible, attracts visitors at the 2015 CMEE in Zhanjiang on Nov 26. [Photo by Lang Shucheng/Zhanjiang Daily]

Visitors experience virtual reality helmets at the 2015 CMEE in Zhanjiang on Nov 26. [Photo provided to chinadaily.com.cn]

The re-entry capsule of Shenzhou spaceship is on display at 2015 CMEE in Zhanjiang on Nov 26. [Photo provided to chinadaily.com.cn]