Ключевые слова: angle, art, bicycle, bike, black, black and white, boy, bremen, brick, center, central, child, city, cityscape, commute, cycling, europe, frame, framed, gap, geometry, germany, kids, mode of transportation, monochrome, outline, passing, perspective, riding, road, shape, sidewalk, silhouette, sky, skyline, spike, stairs, steps, street, street photography, symmetric, symmetry, transportation, triangle, triangular, urban, wall, white, young,