Models of a high-speed maglev train (bottom) and a Fuxing freight bullet train (top) are on display at National Science and Technology Week in the Military Museum of the Chinese People's Revolution in Beijing on May 21, 2019.(Photo/IC)
A remote control submarine is seen at National Science and Technology Week in the Military Museum of the Chinese People's Revolution in Beijing on May 21, 2019.(Photo/IC)
Model of Chinese moon rover Jade Rabbit 2 is on display at National Science and Technology Week in the Military Museum of the Chinese People's Revolution in Beijing on May 21, 2019.(Photo/IC)
Cockpit of an intelligent driving vehicle is shown at National Science and Technology Week in the Military Museum of the Chinese People's Revolution in Beijing on May 21, 2019.(Photo/IC)