On: 111 Gigapixel photo of Seville sets new world record

[rorrr]

It's actually very blurry when you zoom all the way in. You can halve the resolution and not lose any information. So it's really a 111/4 = 27.8 gigapixel panorama.

Compare it with this:

http://www.paris-26-gigapixels.com/index-en.html

Which is much sharper when you zoom all the way in.