angles appearances architectural architectural elements architecture building chinese colorful coloring colors colourful colouring colours decorated decorations decorative distinctive elements exterior exterior shutters external functional glass louver blades louvered louvers louvre blades louvred louvres old ornamental ornamentation painted perspectives plantation shutters protection shade shelter sheltered shuttered shutters traditional window window covering window frame window shutters windows abstract art-glass background blended blocks color coloration colored colour coloured contrast craftsmanship light lighting liquidy multicolored multicoloured patterned patterns raised rectangles rectangular shaped shapes stained-glass style surface surfaced surfaces surfacing tactile texture textured textures thick vibrant wall walled wallpaper appearance artistic artistry bright curved curves round rounded thin a challenge backdrop berlin business dynamic facade fit fitness futuristic germany modern office offices outlook perspective reflection reflections shape stair staircase stairrail stairs stairway steps stone structure structures stylish success training translucent transparency transparent upstairs upwards way to go workplace