Believe it or not, this “3D reconstruction of Dubrovnik, Croatia, contains 4,619 images and nearly 3.5 million 3D points” — made with just Flickr photos. Continue reading for the video.

The key difference is that Photosynth was aimed at doing a single monument or landmark. We can now process truly huge data sets – the big breakthrough here was being able to match the images fast.

[via GizmodoYT]