A group of expats visit the "Genghai No 1" marine ranch complex in Yantai, Shandong province on Oct 28. "Genghai No 1" serves as multifunctional intelligent ecological marine ranch platform for fishing, recreation, scientific and technological research and development. [Photo/chinadaily.com.cn]

The intelligent platform integrates artificial intelligence, clean energy, 5G communications, big data, and underwater patrol robots. It is the first of its kind in China. [Photo/chinadaily.com.cn]

Visitors can do fishing, eat seafood, enjoy coastal scenery, and watch science videos on the marine ranch. It can accommodate 50,000 tourists every year. [Photo/chinadaily.com.cn]

Expats take photos on "Genghai No 1" marine ranch complex in Yantai, Shandong province on Oct 28. [Photo/chinadaily.com.cn]

Workers catch fish by casting a net at "Genghai No 1" marine ranch complex in Yantai, Shandong province on Oct 28. [Photo/chinadaily.com.cn]

The intelligent marine ranch platform is built by Yantai-based CIMC Raffles Offshore, a leading semisubmersible platform manufacturer in China. [Photo/chinadaily.com.cn]

A 360-degree panorama view of visitors at "Genghai No 1" marine ranch complex in Yantai, Shandong province on Oct 28 [Photo/chinadaily.com.cn]