This image, which was originally posted to Picasa Web Albums, was reviewed on 1 March 2010 by the administrator or reviewerEcemaml, who confirmed that it was available on Picasa Web Albums under the above license on that date.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
{{Information |Description={{en|1=Exhibition showing how tunnelers bored the Great Siege Tunnels in the Rock of Gibraltar. }} |Source=[http://picasaweb.google.com/nathanharig/Gibraltar#53296990844