Construction workers and builders laying insulating underlayment at a new metro station construction site timelapse.

activity, business, equipment, new, steel, plate, industrial, line, road, traffic, time, architecture, building, city, construction, industry, urban, wall, development, helmet, cement, laying, cityscape, iron, engineering, site, block, pipe, repairing, worker, builder, process, blocks, railway, clay, masonry, metro, rail, progress, mortar, builders, brickwork, avenue, subway, bricklayer, Planks, lapse, timelapse, time-lapse, ramenky,