This photo taken on Oct. 26, 2026 shows China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)

Naoero President David Adeang and other officials pose for a group photo with Chinese researchers in front of China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)

Local residents take a selfie during a tour aboard China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)

Naoero President David Adeang visits the manned deep-sea submersible Jiaolong aboard China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)

Naoero President David Adeang visits the bridge of China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)

Researcher Huang Yibo (1st R, front) talks with local residents aboard China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Ye Haoming)

Submersible pilot Qi Haibin (2nd R), together with researcher Huang Yibo (1st R), introduces the manned deep-sea submersible Jiaolong to local residents aboard China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)

Naoero President David Adeang views deep-sea samples aboard China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)

Local residents board the China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Ye Haoming)

Local residents pose for photos during a tour aboard China's research vessel Deep Sea No. 1 berthed at Aiwo Port in Naoero, Oct. 26, 2026.

China's research vessel Deep Sea No. 1, carrying manned deep-sea submersible Jiaolong, on Monday visited Naoero and held an ocean-themed open day event here. (Xinhua/Li Xin)