Traditional costume of Ansó and Hecho Curiosity · Ansó, La Jacetania, Huesca Image of Ansó, not of the place itself. Traditional dress of the valleys of Ansó and Hecho, one of the most singular folk costumes of the Aragonese Pyrenees. In Ansó its everyday use continued until 1930, and some residents kept wearing it until the late 20th century. Since 1971, the last Sunday of August marks the Day of the Exaltation of the Ansotano Costume, a festival declared of National Tourist Interest for the cultural value of this tradition. Photo: Cherubino (CC BY-SA 3.0) What to see and do in Ansó