Ключевые слова: art, astronomy, break, child, city, crowd, culture, docent, europe, european, excursion, exhibit, exhibition, exposition, field trip, gallery, group, guide, historical, history, holiday, indoor, indoors, interior, kid, lecture, lesson, maritime, modern, museum, outdoor, planetarium, room, school, science, sightseeing, student, summer, technology, tour, tourism, tourist, tourists, travel, trip, urban, vacation, visit, visitor, visitors,