abstract angles appearance box-culverts bridging building concrete constructed construction construction-work culvert drainage holed open openings penetrations perspectives precast prefabricated preparation prepared preset readiness secure shadows stacked strength strong sunlight sunshine accommodation architecture box-like boxed building-construction building-site building-work buildings concrete-slabs concreting development distinctive elements exterior external gray grey home house light linear lines modern modernistic plain slabs solid squared straight structured style suburban urban views wall walls windows work