Ключевые слова: airport, area, bin, blanket, blue, box, bucket, city, clean, container, crowd, disposal, dustbin, eco, ecology, empty, environment, environmental, garbage, indoor, man, modern, object, paper, passenger, passengers, people, plastic, pollution, recycle, recycling, relax, resting, reuse, rubbish, safe, safety, service, sleep, terminal, tired, tourism, tourist, trash, trashcan, travel, wait, walkway, waste, way,