html5 - Creating a world map scene with cubes in 3D? (WebGL, Three.js, Canvas) -

i create world map in 3d perspective this, including shadow: http://www.google.com/zeitgeist/2012/#explore (please wait 3 seconds animate position)

on top of world map, place simple red cubes (also casting shadows) instead of markers in above example.

1. what web standards/frameworks use?
2. in pseudo code, how achieve above?

you can pure webgl, if wanna code fast three.js

create plane apply world map texture pixel-shader displacement country shapes , shadow red cubes render shadow map directional light , apply plane