Ключевые слова: ancient, aqueduct, arches, architecture, art, blue, brick, bridge, building, cactus, cityscape, columns, culture, desert, famous, father, heritage, hidalgo, hill, historic, history, landmark, mexico, monument, mountain, nature, old, opuntia, otumba, pachuca, padre, panoramic, plant, railroad, railway, scenic, sky, stone, structure, summer, symbol, tembleque, tourism, town, track, travel, tree, view, zempoala,