And even better, you can view the underlying data as a 3d point cloud here: (crashed my Firefox on mobile) http://potree.entwine.io/data/ahn.html http://potree.

And even better, you can view the underlying data as a 3d point cloud here: (crashed my Firefox on mobile) http://potree.entwine.io/data/ahn.html http://potree.entwine.io/data/ahn.html