RSL, thanks for your comment. You are correct to point out the images ambiguity. Bob_B and francois, I agree with both of your comments. When I came across this image I wondered to myself if she took notice of the older woman and if she did what would she think?
I must correct something I said in my original post: the word simultaneity did not "poop" into my brain. I think I meant to say "popped." Probably some psychological slip on my part.