lot of 35 vintage 35mm photo slides San Francisco, Statue of Liberty, London, Eiffel Tower

Lot of about 35, vintage(1961 through 1981), photographic slides of city scenes, bridges, architecture, skylines etc. There are city streets in San Francisco, the Golden Gate Bridge, New York and the Statue of Liberty, the Eiffel Tower, London etc. There are also two slides hand labeled "World Trade Building - 9-11-01".