modernist exterior shot professional rendering prompt architectural visualization photorealistic architectural rendering of a contemporary residential and commercial building in berlin closing a building gap in an urban streetscape view from the street side the building consists of two identical structures with the right structure mirrored onto the left side the existing cubature remains exactly preserved between the two structures is an open vertical access space with a sculptural staircase core and glass elevator access is via the center of the building architectural language high quality calm and timeless materiality with exposed concrete as the main material fine structured exposed concrete facade with precise formwork patterns combined with warm vertical wooden slats wooden window frames and integrated planter boxes lush greenery on balconies in facade niches and along the access areas the combination of concrete wood steel and plants creates a modern urban yet homely atmosphere on the ground floor is a lively caf with an integrated coworking space generous transparent glazing creates visual connections between inside and outside people sit with laptops by the window guests drink coffee on the sidewalk urban berlin neighborhood atmosphere building structure plot width 17 meters all floors with a clear room height of 3 0 m ground floor and 1st upper floor form a maisonette apartment upper floor high quality 3 room apartment upper floor 5th floor and attic floor form a spacious townhouse row house attic floor with large private roof terrace wooden deck planters pergola and urban view over berlin central design element is an elegant open steel staircase in the access core the staircase appears light and sculptural made of dark coated steel with a delicate railing harmoniously combined with the exposed concrete the staircase core receives daylight through skylights and side openings and becomes an architectural highlight of the project lighting mood natural afternoon light slightly warm evening sun soft shadows realistic reflections on glass and metal atmospheric depth effect high quality architectural visualization in the style of david chipperfield architects em2n baumschlager eberle and atelier kempe thill very detailed materials precise joints high quality exposed concrete surfaces natural aging marks realistic vegetation environment berlin city center closed block perimeter development urban street with bicycles pedestrians street trees and caf activity people of different age groups enliven the scene architectural competition level professional archviz rendering ultra realistic v ray corona renderer lumion high end quality 8k global illumination physically based materials cinematic composition architectural photography tilt shift lens high detail magazine quality negative prompt no change to the building volume no futuristic shapes no organic facades no bright colors no brutalism without wood elements no excessive greenery no unrealistic proportions no dark night mood no empty streets no distorted perspectives no cheap standard materials no cartoon look no unrealistic people no overloaded facades architecture