For the GeoForum MV I created an short video to present what’s possible with OSM and opensource tools 
https://vimeo.com/63952692
Wow, well done!
I love videos, they show off the 3D models even better than still images.
Thats true, stills have a somewhat limited 3D perspective and might provoke misunderstandings. I will write some feedback, if Jan (osmbuildings) and myself finished the talks at monday