Emigration from Avión to Mexico Curiosity · Avión, Ribeiro, Ourense Image of Avión, not of the place itself. The emigration that began in the late 19th century turned this mountain municipality into a seasonal village: its roughly 2,600 winter residents pass 5,000 in summer, when the emigrants come back from Mexico. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in Avión