Ключевые слова: architecture, background, balance, blu sky, blue, bright, build, building, building crane, built structure, business, city, cloud, clouds, concept, construction, crane, development, elevating crane, engineering, equipment, heaven, heavy, high, hook, industrial, industry, lifting, machine, mechanical, metal, mobile, outdoor, project, scaffolding, site, sky, space, steel, structure, summer, sunny, sunny day, tall, technology, tool, tower, urban, work, yellow,