Sardine Gastronomic Days Curiosity · Carreño, Gijón, Asturias Image of Carreño, not of the place itself. At the end of July Candás grills sardines in the street for almost a week, in an event that champions the oily fish on which its salting and canning factories were built and which still rules the harbour's calendar. Photo: AsturiasVerde (Public domain) What to see and do in Carreño