In the new iOS 6 beta 4 firmware just released to developers, Apple has added more 3D cities to its upcoming Maps application, reports 9to5Mac.

So far the following new cities have been found.

United States: Boston, Atlanta, Portland, Phoenix, New Orleans, Philadelphia, Houston, Dallas.

Canada: Toronto.

Europe: Lyon, France; Birmingham, UK; Manchester, UK.

Previous iOS 6 releases included: Los Angeles, San Diego, Memphis, Denver, Copenhagen, Montreal, San Francisco and the Bay Area, Las Vegas, Sydney, Melbourne, Chicago, Miami, Seattle, and Sacramento.