The photo taken on May 29, 2019 shows a sponge and coral garden shot by China's remote operated vehicle (ROV), Discovery, in the sea bottom of western Pacific Ocean. (Photo/Xinhua)
The photo taken on May 29, 2019 shows a sponge and coral garden shot by China's remote operated vehicle (ROV), Discovery, in the sea bottom of western Pacific Ocean. (Photo/Xinhua)
The photo taken on May 29, 2019 shows a sponge and coral garden shot by China's remote operated vehicle (ROV), Discovery, in the sea bottom of western Pacific Ocean. (Photo/Xinhua)
The photo taken on May 29, 2019 shows a sponge and coral garden shot by China's remote operated vehicle (ROV), Discovery, in the sea bottom of western Pacific Ocean. (Photo/Xinhua)
The photo taken on May 29, 2019 shows a sponge and coral garden shot by China's remote operated vehicle (ROV), Discovery, in the sea bottom of western Pacific Ocean. (Photo/Xinhua)
The photo taken on May 29, 2019 shows a sponge and coral garden shot by China's remote operated vehicle (ROV), Discovery, in the sea bottom of western Pacific Ocean. (Photo/Xinhua)