An underwater robot conducts a dive test in the South China Sea. The robot from the Yantai Salvage Bureau of the Ministry of Transport dived three times from April 6 to 8 to reach depths of 1,180 meters, 2,951 meters and 2,735 meters respectively to test the equipment’s endurance and stability, making a breakthrough in China’s deep-sea salvage capabilities. (Photo: China News Service/Chen Peng)
