The Roman bridge of Vadillo Monument · Vadillo de la Guareña, La Guareña, Zamora Image of Vadillo de la Guareña, not of the place itself. A bridge of stone arches and Latin origin that has been connected with the course of the Vía de la Plata; it crosses the Guareña in a municipal district that queen Urraca I handed in 1116 to the Hospitaller knights. Photo: FLAVIVSAETIVS (CC BY-SA 4.0) What to see and do in Vadillo de la Guareña