render a light timber building featuring a curtain wall facade the structure should be surrounded by a multi tiered terraced landscape composed of three distinct levels the lowest terrace should be an integrated wetland bordering a river ensure this wetland terrace has a naturalistic appearance with water plants and subtle ripples to convey realism the upper two terraces should be designed with concrete paving showcasing clean lines and a modern finish maintain an overall natural and cohesive interaction between the building terraces and wetland area with a focus on the harmony between the materials used light timber for the building and concrete for the terraces