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A virtual walking tour with a mouse scroll wheel is one of the new features in Google Earth 6.0. The streets available to tour on Google Earth are in selected city locations and highlighted in blue. Google Earth 6.0 also makes it significantly easier to access historical images. Backgrounds in Google Earth are now filled with 3-D constructs.
Source: http://www.toptechnews.com/story.xhtml?story_id=13200EZDKOGO
