Ключевые слова: airport, architecture, bank, blue, building, business, capitol, cemetery, church, cinema, city, collection, color, colored, colorful, estate, factory, fire dept, flat, government, graphic, home, hospital, hotel, house, icon, illustration, industry, isolated, library, logo, map, mosque, municipal, museum, navigation, office, people, pharmacy, pictogram, police, post, prison, property, red, restaurant, school, shop, sign, silhouette, symbol, theater, town, train station, university, window,