Ключевые слова: adventure, alone, architecture, asian, backpack, business, cologne, culture, destination, downtown, dusseldorf, enjoy, enjoyment, europe, exploration, explore, expo, famous, gadget, german, germany, happiness, hat, hipster, historic, idyllicconvention, immigration, journey, landmark, old, one person, outdoor, panorama, people, person, pretty, relax, romantic, sightseeing, student, symbol, tourism, tourist, tower, town, traditional, traveler, vacation, winter, woman,