Ключевые слова: aljibe, almoravid, ancient, arab, arab cisterns, arabic, arches, architecture, barrel vaults, building, caceres, calm, cistern, city, downtown, extremadura, heritage, historic, historical, history, horseshoe arches, indoor, inside, islam, islamic, landmark, masonary, medieval, monumental, monuments, muslim, old, reflections, reservoir, spain, stone, subsoil, tank, tourism, travel, unesco, visit, water, world heritage,