Your target was a church called "Bete Giyorgis" or "House of St. George" in Lalibela, Ethiopia and to describe the exterior.

The following websites will provide you with pictures and more information:

http://en.wikipedia.org/wiki/Lalibela

http://www.unesco.org/courier/1998_08/uk/signes/txt3.htm

http://www.festethiopia.com/lalibela.htm

http://www.bobmarley.com/neville/pilgrimage.html