Sunglasses Mystery

Look at the pictures in our previous post, Eggstravaganza, and you might notice something odd. We started the day off with the kids in the yellow onesies that say, "Yes, we're twins". Those didn't last and we had to put sweaters on them when we got outside, anyway. Okay, so that's the timeline. Please look at the picture of the twins in the Bumbos and focus on Kiera's sunglasses. Then look at the picture of Maddy holding Kiera and again, focus on Kiera's sunglasses. Notice anything? The UV sticker was removed early in the morning and is not on her sunglasses in the first picture (taken at 8:45am according to the picture timestamp), but somehow returns in the picture taken at 11am. There does appear to be some residue from the sticker in the first one, but its obviously not there when you compare it to the second picture. How did that happen? We went back and looked and none of the pictures taken at home have the sticker and all of the pictures taken at the park have the sticker. Okay, this might only be interesting to us, but we don't get out much anymore, so it doesn't take much for us to get wrapped up in something.