Chonia River mills Curiosity · Trazo, Ordes, A Coruña Image of Trazo, not of the place itself. Along the Chonia, in the parish of Xavestre, a string of flour mills built from the 17th century onwards is preserved; some have been restored and still show the horizontal wheel and the millstones. Photo: m.dolores paderne sa… (CC BY-SA 3.0) What to see and do in Trazo