Ponte de Mértola
Portugal · Europe
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The Ponte Velha de Mértola ("Old Bridge of Mértola"), also referred to as the Ponte Branca or Torre do Rio, is a structure located along the Guadiana River, in the civil parish of Mértola, municipality of Mértola, in the Portuguese district of Beja. Although named a bridge, the structure is the remains of a wharf and fortified port, linked to the defensive curtain of the walled city.
Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.