In the heart of Ethiopia is situated one of its holiest towns, known as Lalibela, where a group of eleven monolithic rock-hewn churches stand. They are the biggest monolithic temples in the world, and listed as a UNESCO World Heritage site, yet much mystery still surrounds their construction.
Related Article: http://www.ancient-origins.net/ancient-places-africa/rock-hewn-churches-lalibela-ethiopia-00154
