Final answer:
Photographers taught us to place a frame within a frame.
Step-by-step explanation:
The profession that taught us to place a frame within a frame is photographers. Framing is an important composition technique in photography, where a photographer uses a frame, such as a doorway or window, to encompass the main subject of the photo, adding depth and focus. This technique helps draw the viewer's attention and creates a sense of context and emphasis.
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