Zandvoort: Graphic Updates

Last Upd.: 22/08/03: Steffen W's updates now available

I updated original circuit with addons by Steffen W, Matthew Knutsen and with sky by Al Heeley.
1-To restore bridge absence, copy files from, downloadable from Legends of '67.
2-To restore original colors and signs, copy files from
3-To modify the sky, copy files from