The new panoramic 320 giga pixel photo of London is made from 48,640 photos, which is a new record for the world's largest photo. To put the size in perspective, if you try to print this photo, it will be the size of 98 x 23 meters which is almost big as the Buckingham Palace. Zoom can display detail at a distance of 32 kilometers.
Authors of this photo Jeffrey Martin, Holger Schulze and Tom Mills made this photo over a period of three days, taking the images from the BT Tower in London, with a Canon EOS 7D. The photographers are from the company 360 cities which specializes in this kind of photos.
Check out and browse the photo here.