Ключевые слова: aqueduct, architecture, attraction, bridge, building, canal, chesapeake and ohio canal, clouds, cloudy, forest, historic, history, idea, landmark, landscape, maryland, monocacy, national historical park, nature, north america, old, outdoor, park, reflection, river, sightseeing, sunset, tourism, towpath, travel, trees, trip, usa, vacation, view, water, wood, woods,