Cube Houses, vibrant yellow unique cube architecture with a blue sky, Rotterdam, The Netherlands, Europe

cube houses rotterdam unique architecture vibrant yellow blue sky netherlands europe modern design geometric shapes urban landscape sunlight architectural marvel tourist attraction cityscape cultural landmark contemporary style bright colors innovative buildings residential architecture famous buildings vacation destination scenic views summer day cube design cloud patterns vibrant city interior design city architecture lively colors historic site modern living unique homes dutch architecture architectural features fresh air urban exploration beautiful places travel europe sustainable design eye catching buildings visual art iconic structures outdoor spaces innovative homes design inspiration structural design colorful buildings architectural uniqueness city vibes building detail