Children visit the aerospace hall at the Science and Technology Museum in Chongqing, Southwest China, June 11, 2017. [Photo/Xinhua]
Children watch a robot drawing at the Science and Technology Museum in Chongqing, Southwest China, June 11, 2017. [Photo/Xinhua]
Children try a device at the Chongqing Science and Technology Museum in Chongqing, Southwest China, June 11, 2017. [Photo/Xinhua]
