A snapshot of the entire world's OSM data is held.
By navigating to any particular lon/lat coordinate, a 1km/sq tile of the OSM data is processed into 3d geometry, on demand, and served to the webgl view.
Use W,A,S,D and the mouse to navigate
The search box only recognises a small list of major cities. Latlon coords can be specified, separated by a comma. If it's taking awhile you have found somewhere not cached!

Tech Used: Three.js
libosmium
OpenCTM
React.js
Libosmium is integrated into the nodejs backend using nan

This app was created by engineblock ltd.