I think it's a legitimately commissioned mural, by Jorge Lopez de Guereñu, a local artist. It runs most of the length of a road on the hillside over the linked overspill suburbs San Inazio and Sarriko, Bilbao.
Here's a view that shows it in more complete context:
no subject
Date: 2010-08-03 07:12 pm (UTC)graffiti?
advertising?
or ...?
no subject
Date: 2010-08-05 12:22 am (UTC)Here's a view that shows it in more complete context: