UNC team builds 3D model of Rome using Flickr photos on a single PC in one day

A UNC team has written an engine that scours Flickr for photos of a city, figures out which ones are images of the same place, analyzes them, and uses the results to build amazingly detailed 3D models -- all in less than a day, using a single PC.

Flickr Hack Makes 3D Model of Any City in a Day (Thanks, MooseHP, via Submitterator)