Each image on the website has a numbered link which will take you to the source.
Few people object to photographs being used for research or educational purposes.
Photographs may not be used for any commercial purpose without the approval of the copyright owner. It is the responsibility of anyone wishing
to use any photograph from this site for commercial purposes to establish the copyright position BEFORE using it.
If anyone can demonstrate that they own the copyright of any photograph on this site and they object to its use given the limitations stated,
please contact the site owner and it will be removed.