abstract architecture blue business colorful colors colourful colours dynamic facade green metal metallic modern orange perspective red shape shapes yellow backdrop background design paint patterns regular silver stripes structure structures symmetric texture textures triangle triangles triangular turnery berlin building city glass house office offices shaped tower urban window windows work workplace appearance blended bright color colored colour coloured decorative details geometric geometrical interconnected interwoven knitted light lines multicolored multicoloured perspectives style textured thick thin vibrant wallpaper weave woven bubble bubbles children circle circular fly flying multiple play playing round sky soap toy toys water with blow fun appearances blocks child-care children's-toys coloration connecting fit fitting foam-rubber games learning mixed mix’n-match playing-blocks puzzles soft sponge-rubber tactile touch touching variations variety