Ключевые слова: abstract, background, behind, blur, blurred, business, businessman, businesswoman, caucasian, certification, city, coaching, college, collegian, corporate, court, crowd, decoration, design, desk, female, group, happy, interior, lecture, lifestyle, lobby, man, master, meeting, modern, motion, nature, office, people, person, professional, reception, room, school, screen, seminar, table, talk, toning, training, white, woman, work, young,