If you’ve taken introductory psychology you know Rubin’s vase, which illustrates the principle of figure and ground: In the image on the left you can see two faces, or you can see a vase, but you can’t see both simultaneously.

A number of people have noticed the same thing in Canada’s modern flag, adopted in 1965 (below). Is this a symbol of Canada’s proud natural heritage or of two people bickering?

And what does that say about Canada?