In the center of Senegal lies the city of Touba. it has this amazing mosque. The surrounds within the walls are of marble so cool under foot. It is a magnificent collection of beautiful islamic buildings where the Muslims worship their Allah.
For more detail see en.wikipedia.org/wiki/Touba,_Senegal
Many would ask whether the money spent on this might have been put to better use in such a poor country? A hospital perhaps?