China science, technology news summary -- May 21

BEIJING, May 21 (Xinhua) -- The following is a summary of published science and technology news of China.

ZHURONG SWITCHES TO DORMANT MODE

Mars rover Zhurong has been switched to dormant mode while waiting out a dust storm on the surface of the planet, the China National Space Administration said on Friday.

The latest images taken by cameras onboard China's Tianwen-1 Mars orbiter show a dust storm