Ключевые слова: america, american, american revolution, army, artillery, cannon, field, foliage, george washington, grass, gun, historic, historical, history, landmark, landscape, meadow, military, national park, old, outdoor, park, pennsylvania, preserved, recreated, replica, restored, revolutionary war, rural, rustic, scenic, sky, spring, summer, tourism, tourist attraction, travel, trees, united states, valley forge, vintage, war, weapon, wooden,