2015 background golden little squares texture wall accommodation angles apartments architecture balconies balcony box-like boxed concrete distinctive elements exterior external glass gray grey height high home house light linear lines modern modernistic multi-storey multi-story perspectives plain second-storey second-story squared straight structure structured style suburban units urban views walls windows balconied gate gated secure backdrop bright geometric pastel pattern pyramid seamless square abstract accent banner blank blue border concept copyspace creation decoration design dirty duotone edge frame graphic grunge illustration image mask messy New original paper render rough scrapbooking squares unique vector white