I have been to Rebro for three years without knowing it, and I still feel like I am separated in retrospect. Every girl has a princess dream, every boy has a castle dream, until I see the castle in reality. On the west bank of Lake Jermaren, Sweden's fourth largest lake, there is such a historic city, famous for its 16th-century Elebru Castle, a fortress built in the Vasa period, on the Mother River of Elebru, facing water, occupying the first feng shui, and living in a strategic location. Each tower is a four-story main building, made of pure stone, with a strong Nordic medieval color. The houses on both sides of the river are built on the water, and the river is winding and winding, extending to Lake Yermalen in the east, a fresh Nordic water town. Crossing the river, following the long historical river, passing through the water tower, passing through the city green park, the mottled history and humanistic atmosphere leapt in front of you, the sound of wild ducks in the river and the children on both sides of the river covered by green trees mixed with laughter, and the harmony between man and nature reached the extreme. The dream of a fairyland is nothing more than this.