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One also has to wonder what altitude they were at.

Well, in that initial map scroll-in, you can clearly see that the video is set somewhere in Oslo. (Or at least gives the impression.)

They zoomed in at the location of the Opera headquarters: http://maps.google.com/maps?f=q&source=s_q&hl=en&...

I'm not sure where the video is set, but it might be in the area.