Skating On the Frozen Amstel River We've slipped 15 changes into this Adam van Breen painting of the centuries-old Dutch national pastime. Copyright © 2002-2024 All-Star Puzzles All rights reserved

Credit: Wikimedia image is in the Public Domain To view the original image and license: https://commons.wikimedia.org/wiki/File:Adam_van_Breen_-_Skating_on_the_Frozen_Amstel_River_-_Google_Art_Project.jpg