Ключевые слова: area, backdrop, background, brown, cartography, contour, curves, detailed, discovery, distance, explore, geographic, geography, graphic, hiking, horizontal, illustration, image, isoline, land, legend, line, map, measurements, mountain, nature, navigation, orienteering, outline, plan, planning, relief, searching, sketch, sport, terrain, topo, topographic, topography, travel, wavy,