<P> The ruins form three distinct architectural groups . They are known as the Hill Complex , the Valley Complex and the Great Enclosure . The Hill Complex is the oldest , and was occupied from the ninth to thirteenth centuries . The Great Enclosure was occupied from the thirteenth to fifteenth centuries , and the Valley Complex from the fourteenth to sixteenth centuries . Notable features of the Hill Complex include the Eastern Enclosure , in which it is thought the Zimbabwe Birds stood , a high balcony enclosure overlooking the Eastern Enclosure , and a huge boulder in a shape similar to that of the Zimbabwe Bird . The Great Enclosure is composed of an inner wall , encircling a series of structures and a younger outer wall . The Conical Tower , 5.5 m ( 18 ft ) in diameter and 9 m ( 30 ft ) high , was constructed between the two walls . The Valley Complex is divided into the Upper and Lower Valley Ruins , with different periods of occupation . </P>
<P> The ruins form three distinct architectural groups . They are known as the Hill Complex , the Valley Complex and the Great Enclosure . The Hill Complex is the oldest , and was occupied from the ninth to thirteenth centuries . The Great Enclosure was occupied from the thirteenth to fifteenth centuries , and the Valley Complex from the fourteenth to sixteenth centuries . Notable features of the Hill Complex include the Eastern Enclosure , in which it is thought the Zimbabwe Birds stood , a high balcony enclosure overlooking the Eastern Enclosure , and a huge boulder in a shape similar to that of the Zimbabwe Bird . The Great Enclosure is composed of an inner wall , encircling a series of structures and a younger outer wall . The Conical Tower , 5.5 m ( 18 ft ) in diameter and 9 m ( 30 ft ) high , was constructed between the two walls . The Valley Complex is divided into the Upper and Lower Valley Ruins , with different periods of occupation . </P>
what feature is found in the hill complex of the great zimbabwe
what feature is found in the hill complex of the great zimbabwe
the Eastern Enclosure
the Eastern Enclosure