Barcelona Metro CAF 4000 Series CAF 4000 Series 4009 at Clot, June 7, 2008 CAF 4000 Series 4009 at Urquinaona, June 7, 2008 CAF 4000 Series 4064 at Can Serra, June 7, 2008 CAF 4000 Series 4089 at Clot, June 7, 2008