Including a ‘frame withing the frame’ is another effective way of portraying depth in a scene. Look for elements such as windows, arches or overhanging branches to frame the scene with. The ‘frame’ does not necessarily have to surround the entire scene to be effective.
The use of scenery viewed through arches was a common feature of Renaissance painting as way of portraying depth. Using a ‘frame within a frame’ presents a great opportunity to use your surroundings to be creative in your compositions.