Contributed by Ben Haworth
Contributed by Despina Macris
Contributed by Florian Hardwig
Contributed by Franco Ferreira
Photo(s) on Flickr.
Contributed by Stephen Coles
Contributed by Frank E. Blokland
Contributed by Ákos Polgárdi
Contributed by Chris Rooney
Photo(s) by Henk Gianotten on Flickr.
Contributed by Ben Zotto
Contributed by Manuel Schmalstieg