Ключевые слова: architect, architecture, blue, blueprint, building activity, building exterior, built structure, business, canada, challenge, china east asia, city, cityscape, cloudscape, color image, concepts, concrete, construction equipment, construction industry, construction machinery, construction material, construction site, copy space, coworker, day, design, development, discussion, downtown district, engineer, engineering, examining, finance, fog, growth, hardhat, heavy, horizontal, industry, no people, outdoors, planning, safety, sky, skyscraper, urban skyline, working,