(*) NOTE: a complete and detailed view of the circuit can be found (if available) on
Street View
by Google Maps and/or Bird's Eye and 3D views by Bing Maps for Enterprise
(former Microsoft Virtual Earth): both can be reached using their own link in
Aerial photo / Map cell.
(**) For on-line not-English speaking sources, click on each small flag and you open the corresponding Google Translator page with automatic translation.