The seven milestones of Río Curiosity · San Xoán de Río, Terra de Trives, Ourense Image of San Xoán de Río, not of the place itself. Seven milestones from the Vía Nova have been recovered in the concello, bearing the names of the emperors Titus, Domitian, Constantius, Julian and Carinus, a remarkable set of inscriptions for so small a municipal district. Photo: xolopi (CC BY 3.0) What to see and do in San Xoán de Río