The Great Mosque of Djenné in Mali is the largest mud brick building in the world., Ralf Steinberger, Flickr Creative Commons

The Great Mosque of Djenné in Mali is the largest mud brick building in the world., Ralf Steinberger, Flickr Creative Commons

The Great Mosque of Djenné in Mali is the largest mud brick building in the world., Ralf Steinberger, Flickr Creative Commons