Ключевые слова: billboard, blue, business, city, college, color image, company, day, direction, display, executive, guidance, hanging, horizontal, logo, marquee, mba, no people, outdoors, pennsylvania, post, posting, potted plant, pottery, road, road sign, school, send message, sign, signal, sky, text, travel, university, upenn, urban, vibrant color, wharton,