roman bridge near alter do chao, in the portalegre district. alto alentejo, portugal.

waterway water vila undefined trees tree tower stone sky seda roman road river reflection portuguese portugal portalegre military merida medieval lusitania lisbon historical formosa european europe empire district clear chao century capital bridge blue architecture ancient alto alter alentejo vertical detail stonework masonry passage scene old heritage tranquil engineering history idyllic mirror color tourism monument stream passageway outdoor peninsula material granite stones arch travel iberian landscape