这是海山峭壁上的海葵（8月15日摄）。新华社/徐奎栋 摄

Photo taken by China's remote operated vehicle (ROV) Discovery shows a sea anemone on the Caroline Seamount in the western Pacific Ocean, Aug. 15, 2017. China's remote operated vehicle (ROV) Discovery, carried by China's Kexue (Science) research vessel, dived to collect videos, information and samples from the Caroline Seamount in the western Pacific Ocean. (Xinhua/Xu Kuidong)