Pardon me, is there some cultural reference I am missing here? Seems like just two "random things" combined to me. Could he hold a toy car in front of a tree instead for same effect?
Let us imagine the image on the phone is this exact meme. Her reaction was the same as yours, so her expression communicates something along the lines of what you just said.
So the meme poster is always the hand-with-phone, the statue is always the puzzled meme viewer.
