Old roman half preserved water aqueduct in Merida, Spain, aerial sideways

old roman aqueduct aquaduct half preserved water merida spain aerial sideways drone stone architecture medieval masterpiece progressive intelligent ancient historic city town skyline copyspace copy space nobody no people acueducto sightseeing landmark archaeological remains arches ruins green park milagros acueducto de los milagros pillars miraculous historical archaeology miracles construction unesco landscape culture heritage monument