Ключевые слова: 20s, 30s, architect, architectural, architecture, arrow, black, boxes, builder, building, business, caucasian, cell, close up, collage, communications, computer graphic, construct, construction, development, digital, digitally generated, direction, drafting, draftsman, engineer, female, foreman, growth, handsome, happy, hardhat, hat, helmet, hispanic, improvement, indicating, industry, job, male, man, manager, mid adult, mobile, montage, occupation, phone, plan, pointing, positive, professional, progress, project, red, safety, site, smiling, success, suit, technical, telephone, up, urban, woman, work, worker, working, young adult,