The problematic of color [eye and camera]

This is how the image came out of the camera, more or less:

That's not what I saw when I took the picture. Not those colors.

Now I've calibrated the image so that the face of the largest building is not pink:

Good enough. But where's that green come from? I'm certain I didn't see that.

This is what I settled on:

Still, where'd that pink come from? Was it really there?

Here we see pink clouds:

Is the pink on the face of that building a reflection from the clouds, something registered by my camera, but not my eye?

This, of course, solves the problem, but at a price:

For a more detailed discussion of color and color photography, see Color the Subject.