A mullioned window

A mullioned window

http://gounesco.com.s3-ap-southeast-1.amazonaws.com/wp-content/uploads/2015/04/29014506/Castel-del-Monte-02-1024x683.jpghttp://gounesco.com.s3-ap-southeast-1.amazonaws.com/wp-content/uploads/2015/04/29014506/Castel-del-Monte-02-150x150.jpgDiletta Nicastro
A mullioned window