These photos by Mario Carvajal have been retrieved from Flickr on January
29th, 2010. They are under the creative commons Attribution 2.0 license.
If you want to use other pictures, you are free to do so; please respect
the work of others, though, and use only those which are either in the public
domain or under an appropriate license. An example of how to comply with the
creative commons Attribution 2.0 license used here is given below.