Group 1: Tourism and Natural Attractions - Jeju Island is known for its unique volcanic landscape, featuring the highest number of parasitic volcanoes globally, making it a significant tourist destination [6][10] - Zhanjiang, located in Guangdong, is highlighted for its rich marine resources and beautiful coastal scenery, often compared to Jeju Island [8][12] - The presence of pink dolphins, specifically the Chinese white dolphin, has increased in Zhanjiang due to environmental improvements, attracting tourists [15][17] Group 2: Culinary Delights - Jeju Island is famous for its seafood, offering a variety of fresh marine delicacies such as crabs, fish, and shellfish, making seafood cuisine a highlight for visitors [17][19] - Zhanjiang is also recognized as a seafood paradise, boasting titles like "China's Seafood Capital" and "Hometown of Shrimp," with a wide range of fresh and affordable seafood options available [19][23] Group 3: Sports and Culture - Jeju Island has a strong football culture, with the Jeju United team being a traditional powerhouse in the Korean professional football league [23] - Zhanjiang is referred to as the "Hometown of Football in Guangdong," with a vibrant grassroots football scene and recent achievements in local competitions, showcasing the community's passion for the sport [24][26]