Amoreira Aqueduct, Elvas, UNESCO World Heritage Site, Alentejo, Portugal, Europe

amoreira aqueduct elvas alentejo portugal architecture historical monument ancient engineering aqueducts travel tourism sightseeing landscape blue sky green grass cultural heritage stone arches historical site scenic views transportation water infrastructure pilgrimage landmark clouds sunlight picturesque nature relaxation exploration history community preservation european heritage rural scenery ancient ruins heritage site architectural beauty iconic structures tourism destination regional history environment outdoor activities walking paths cultural significance ancient structures tranquil setting amoreira