This approach was documented and can be located at //www.epa.gov/otaq/hdmodels.htm.
You can find the details of the approach at www.epa.gov/otaq/hdmodels.htm.
Re-entering the Old Citythrough the Lion's gate, and entering the church's gardens through a doorway on the right side of the road, you come to the purest example of Crusader architecture in the Church of St. Anne.