Photo taken on July 5, 2019 shows robots competing at the Cross-strait robot competion in Nanjing, east China's Jiangsu Province. The competition was held with the involvement of 300 teams from middle schools, colleges and universities. (Photo/China News Service)
Photo taken on July 5, 2019 shows robots competing at the Cross-strait robot competion in Nanjing, east China's Jiangsu Province. The competition was held with the involvement of 300 teams from middle schools, colleges and universities. (Photo/China News Service)
Photo taken on July 5, 2019 shows a robot competing at the Cross-strait robot competion in Nanjing, east China's Jiangsu Province. The competition was held with the involvement of 300 teams from middle schools, colleges and universities. (Photo/China News Service)
Photo taken on July 5, 2019 shows robots competing at the Cross-strait robot competion in Nanjing, east China's Jiangsu Province. The competition was held with the involvement of 300 teams from middle schools, colleges and universities. (Photo/China News Service)
Photo taken on July 5, 2019 shows robots competing at the Cross-strait robot competion in Nanjing, east China's Jiangsu Province. The competition was held with the involvement of 300 teams from middle schools, colleges and universities. (Photo/China News Service)
