sustainable design exterior shot create a digital rendering of an apartment building with five floors the bottom sub basement floor is half below the ground sidewalk level the dotted lines represent the part of the sub basement floor below the ground floor the architectural style is a blend of rustic modernism and catalan minimalism using passive house sustainable practices the facade features a mix of ancient villa ledgestone light red brick light wood hardie board horizontal siding and grey acm panels the windows are large and framed in black with reflective blue glass the garage door has the same features as the windows the balcony railings are sleek modern black metal the stairs from the ground floor lead up to a void hallway space the ground floor includes a stone facade in varying shades of gray set the scene in a bright afternoon with sunlight casting soft shadows for a warm and inviting atmosphere add lush green trees and shrubs around the building for a touch of nature architecture