An underwater observational footage is captured by the manned deep-sea submersible Jiaolong, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (National Deep Sea Center/Handout via Xinhua)

The manned deep-sea submersible Jiaolong is pictured after its 467th dive, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Li Xin)

A staff member processes deep-sea samples collected by the manned deep-sea submersible Jiaolong aboard the research vessel Deep Sea No. 1, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Li Xin)

A staff member registers samples collected by the manned deep-sea submersible Jiaolong aboard the research vessel Deep Sea No. 1, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Ye Haoming)

A staff member processes a data collector of the manned deep-sea submersible Jiaolong aboard the research vessel Deep Sea No. 1, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Li Xin)

Staff members carry sampling equipment of the manned deep-sea submersible Jiaolong aboard the research vessel Deep Sea No. 1, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Li Xin)

A staff member looks at deep-sea samples collected by the manned deep-sea submersible Jiaolong aboard the research vessel Deep Sea No. 1, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Ye Haoming)

Staff members clean the manned deep-sea submersible Jiaolong after its dive aboard the research vessel Deep Sea No. 1, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Li Xin)

An underwater observational footage is captured by the manned deep-sea submersible Jiaolong, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (National Deep Sea Center/Handout via Xinhua)

Staff members process deep-sea samples collected by the manned deep-sea submersible Jiaolong aboard the research vessel Deep Sea No. 1, on Oct. 11, 2026. China's manned deep-sea submersible Jiaolong successfully completed its 467th dive. The dive reached a depth of approximately 4,400 meters. (Xinhua/Li Xin)