Ключевые слова: activity, bicycle, bicycling, bike, biking, blue, bridge, concrete, country, dark, des moines, evening, exercise, footbridge, frames, fun, high, hike, hiking, illuminated, iowa, landscape, leisure, lighted, lit, long, metal, night, outdoors, park, pedestrian, people, purple, rail, recreation, river, rural, scenic, sport, steel, summer, summertime, tourism, trail, travel, trestle, walk, walking,