Ключевые слова: adult, aged, architect, architecture, asian, brainstorming, building, business, businessman, caucasian, colleague, concentrated, concept, construction, contractor, cooperation, development, discussing, engineer, engineering, examining, handsome, hardhat, helmet, industry, looking, male, man, maquette, mature, mixed race, multiethnic, online, people, professional, project, senior, serious, site, sketch, tablet, talking, teamwork, technology, thoughtful, using, viewing, worker, young,