The placement of the ambulatory within a standard cathedral.
The ambulatory (Latin: ambulatorium, lit. "walking place") is the covered passage around a cloister or the processional way around the east end of a cathedral or large church and behind the high altar.
Horton Court ambulatory
The term is also used to describe a garden feature in the grounds of a country house. A typical example is the one shown, which stands in the grounds of Horton Court in Gloucestershire, UK.