Ключевые слова: 2529 years, 3034 years, beijing, blue, business, business meeting, business person, businessman, businesswoman, button down shirt, casual clothing, cheerful, china, chinese ethnicity, colleague, color image, confidence, corporate business, coworker, creativity, day, four people, front view, glasses, happiness, head and shoulders, horizontal, indoors, joy, looking at camera, mid adult men, mid adult women, occupation, office, photography, place of work, portrait, positive emotion, sitting, smiling, teamwork, togetherness, waist up, white color worker, working, young men,