英文简介（摘自维基百科）： The Droste effect — known as mise en abyme in art — is the effect of a picture appearing within itself, in a place where a similar picture would realistically be expected to appear.[1] The appearance is recursive: the smaller version contains an even smaller version of the picture, and so on. Only in theory could this go on forever; practically, it continues only as long as the resolution of the picture allows, which is relatively short, since each iteration geometrically reduces the picture's size. It is a visual example of a strange loop, a self-referential system of instancing which is the cornerstone of fractal geometry. 首先，你需要一个名为GIMP的软件，我将附上我自己的下载链接，你也可以自己到网上搜索。【下载链接http://pan.baidu.com/share/link?shareid=1615640833&uk=2720447121】
