Antela drainage canal Nature · Vilar de Barrio, Limia, Ourense Image of Vilar de Barrio, not of the place itself. The channel that emptied the lagoon starts in this municipality and runs twenty-six kilometres to Ponte Liñares, following the line the Romans laid out in the 2nd century under Hadrian and which the Academy of Agriculture took up again in 1765. Photo: Elisardojm (CC BY-SA 4.0) What to see and do in Vilar de Barrio