bench climb concrete hill mountain park pavement stair staircase stairs walk architecture block brick build building cement cinder cinder block concrete block construction grid ladrillo level mason masonry plaster rectangle textures wall abundant cambodia cement-mortar-jar common concrete-product concrete-work container hand-made jars large pipes plastic plentiful plumbing pots potted rain rain-collection round runoff storage storing urns water water-collecting water-conservation water-container water-pots water-storage-jars water-tanks accommodation angles 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 perspectives plain prefabricated slabs solid squared straight structured style suburban urban views walls windows work