They are from Ituren, in Navarre. The Joaldunak were walking around the Smithsonian Folklife Festival 2016, and you can see them at the DC Basque handball court, pictured answering questions about what they do, why, when and its sense within the Basque pre-Christian traditional customes. They are in their costumes just a few minutes before going back to their rhythmic walk (video EuskalKultura.com)