Based on the Map of Thailand by Master Krist Wongsuphasawat, a simple map of Colombia using GeoJSON and D3.js
As in Krist example:
I obtained the Colombian GeoJSON by transforming the Colombian shapefiles by Maurix Suárez, using:
ogr2ogr -f GeoJSON -t_srs EPSG:4326 Colombia.geo.json depto.shp