Robots compete during the finals of the 18th RoboMaster Robotics Competition in Shenzhen, south China's Guangdong Province, Aug. 6, 2019. The final tournament of the 18th RoboMaster Robotics Competition kicked off here on Tuesday, with 32 teams from home and abroad competing for the championship. (Xinhua/Jin Yu)

Robots compete during the finals of the 18th RoboMaster Robotics Competition in Shenzhen, south China's Guangdong Province, Aug. 6, 2019. The final tournament of the 18th RoboMaster Robotics Competition kicked off here on Tuesday, with 32 teams from home and abroad competing for the championship. (Xinhua/Jin Yu)

Participants test a robot during the finals of the 18th RoboMaster Robotics Competition in Shenzhen, south China's Guangdong Province, Aug. 6, 2019. The final tournament of the 18th RoboMaster Robotics Competition kicked off here on Tuesday, with 32 teams from home and abroad competing for the championship. (Xinhua/Jin Yu)

A participant tests a robot during the finals of the 18th RoboMaster Robotics Competition in Shenzhen, south China's Guangdong Province, Aug. 6, 2019. The final tournament of the 18th RoboMaster Robotics Competition kicked off here on Tuesday, with 32 teams from home and abroad competing for the championship. (Xinhua/Jin Yu)

Participants test robots during the finals of the 18th RoboMaster Robotics Competition in Shenzhen, south China's Guangdong Province, Aug. 6, 2019. The final tournament of the 18th RoboMaster Robotics Competition kicked off here on Tuesday, with 32 teams from home and abroad competing for the championship. (Xinhua/Jin Yu)

A participant tests a robot during the finals of the 18th RoboMaster Robotics Competition in Shenzhen, south China's Guangdong Province, Aug. 6, 2019. The final tournament of the 18th RoboMaster Robotics Competition kicked off here on Tuesday, with 32 teams from home and abroad competing for the championship. (Xinhua/Jin Yu)