The graphic is obvious trough the transparent region in the tiles and features a parallax outcome when scrolling which gives an illusion of depth. This technique was usually used in the course of the Mannerist and Baroque artistic intervals, nevertheless use of This method dates again Significantly even further. https://illusion-of-kundun-mu-onl88109.wikibestproducts.com/1581089/illusion_of_kundun_mu_online_for_dummies