Reconstruction of the flag of Fontana, California on July 30, 2018.
Flag design: https://bloximages.chicago2.vip.townnews.com/fontanaheraldnews.com/content/tncms/assets/v3/editorial/b/42/b425a87a-43f3-11e8-9e6a-4b24e4e27228/5ad8ccb72b1ce.image.jpg?resize=1200%2C797Seal: http://madeartvector.com/wp-content/uploads/2018/03/FontanaCitySeal.jpg
Self-made using listed sources