This open-air feature has enabled the exhibits to be landscaped naturally with live plants, including full-sized trees.
There were seven full-sized trees of an indeterminate type, but the branches hadn't leafed out yet and the limbs looked frail against the April sky.
In the center of the main dining room is a full-sized tree surrounded by scores of flowering plants under a large skylight.
In one spot, a full-sized tree had grown atop a broken parapet.
The logs were cut from full-sized trees, and they would resist anything except a direct hit.
Clearance debris including the trunks of full-sized trees lay in a row against the long northern side from where the natives were supposed to attack.
A few full-sized trees were growing in the bottom, and there were a number of outcroppings of rock.
As the vegetation grew, so did the child, until tall enough to reach the foliage of full-sized trees.
The floor of the cave was a carefully tended park, with flowers, lawns, full-sized trees, and even a small lake.
Espalier training can be used on full-sized trees in order to keep their fruit within reach.