Shar Peis ('wrinkle-dogs') tend to suffer skin, ear and eye irritations/infections because of their exaggerated features. They can also have challenging attitudes, so owners can't be pushovers if they want a balanced, non-snappy Shar Pei.
This Pixelnotes wallpaper, by designer Duncan Wilson, consists of four layers of varying grey tones. Each layer is like a post-it note and every time you split a layer, the individual pixel gets darker. (Diy Wood Work Home Office)