From http://www.brittanyholidayguide.com (Holiday Travel Guide to Bretagne )-
Show from the Irish Ui Ruairc dancers at the "Espace Marine" during the Interceltique Festival of Lorient in Brittany France (Bretagne).

Watch more on the festival:
- The fabulous 4 hour long street parade with 3000 dancers and musicians:
http://www.youtube.com/watch?v=NSvmKqoHutI

- The Galican group, Escola de Gaitas de Ortigueira:
http://www.youtube.com/watch?v=AZ6Gh0orcUY

- The Keltika Highland Dancers from Scotland :
http://www.youtube.com/watch?v=fAS1N7Tfjns

More on festivals with dates at http://www.brittanyholidayguide.com/brittanywhatson.html