Ключевые слова: ancient, aqueduct, arch, architecture, art, blue, brick, bridge, building, cactus, crossing, culture, desert, famous, father, heritage, hidalgo, hill, historic, history, landmark, landscape, level, mexico, monument, nature, old, opuntia, otumba, padre, plant, railroad, railway, road, scenic, sign, sky, stone, stop, structure, summer, symbol, tembleque, tourism, town, track, travel, tree, view,