This is an updated version, which is significantly smaller in file size, and kept as a pattern rather than being "rendered".
無限的樓梯無處無縫模式
16:10 Ratio、Abstract、Background、Design、Geometric、Infinite、Nowhere、Pattern、remix 222210、Repeating、Seamless、Stairs、Widescreen
16:10比率、抽象、背景、設計、幾何、無窮、無處、圖案、混音222210、重複、無縫、樓梯、寬屏
資料來源：openclipart ( https://openclipart.org/ )