Architectural introduction: The most interesting thing about Oia's architecture for tourists is the cave house. This kind of house, called "Bird's Nest", has white door walls and roofs, and several pots of red flowers are mostly placed on the blue window lattice. Showing the unique architectural style of the Kykes Islands. The simple and beautiful atmosphere of the town has attracted many art workers to settle here. The souvenir shops, art galleries, and silver jewelry boutiques in the town all show a good style, and it has the reputation of "artists' village".