Great Kemeri Bog Visitor Center focus on the observation of migratory bird and the water recovery system. Considering precipitation and rainy season in Kemeri National Park, we design this building a Green Building with water recycling reuse system. And the roof-garden connects the landscape in view, to be a viewing platform where visiors can have a rest and take photos. The site is divided into 5 areas for parking, camping, kids playing, coffee drinking and grass plot. The folded roof is inspired by bird wings, and main material of the building is pinewood, referred to the traditional architecture in Latvia. There are 2 parts in the building. The east are ticket sales area, wc and shower that can be shared with the campers. And the café, information center, storage area and staff lounge are in the west. This building is also a science education center for children, where they can know more about trees and birds in Latvia by the exhibits inside.