This geographical-historical webGL demo was made by Michel Dhoore.
The model was assembled with orthographic photos and DEM's
(digital elevation models) from Géoportail de la Wallonie and
Agiv Geo Point portal.

QGIS, the Qgis2threejs plugin, Blender, Gimp, Inkscape, Gnumeric,
Brackets, Firefox and the following libraries were used making this demo: