China has a long coastline and vast blue land, how to protect and rationally develop marine resources is an important issue for sustainable development. This episode of the program goes to Shanghai, Qingdao, Xiamen, Quanzhou, Haikou and other coastal cities to feel the charm of marine culture. It will also explore the living conditions of white dolphins, spotted seals, red corals and other biological populations in the marine ecosystem.

• Li Sisi
• Zhang Tengyue
• Ren Luyu