Bilateral Symmetry

I suspect the reason we love bilateral symmetry is because we are made that way ourselves, as is most of the animal kingdom. In a larger sense, we love patterns, repetitions of sounds or shapes or colors, perhaps because we always hope that in the apparent chaos of reality is an underlying order, a unifying principle, a reason for the unfolding of the universe and for ourselves. Whatever the reason, bilateral symmetry is pleasing to the eye. The example above is the British Columbia Legislative Assembly Building from behind, rather than the more usual view from the front. And here's an interesting article on bilateral symmetry.