diff --git a/The-DZI-File-Format.md b/The-DZI-File-Format.md
index 37c8f80..750bd52 100644
--- a/The-DZI-File-Format.md
+++ b/The-DZI-File-Format.md
@@ -16,6 +16,8 @@ The tile size is usually chosen so that non-edge tiles are a power of two along
 
 Tiles are written even if they contribute no new pixels to the image. With overlap one, for example, you can have a two-pixel edge tile which simply repeats pixels in the previous tile. 
 
+![DZI image overlap schema](http://pix.toile-libre.org/upload/original/1566662441.png)
+
 ## Folder Structure
 
 Metadata about the file is stored in an XML file using either the .dzi or .xml file extension, e.g. example.dzi. The tiles are stored in a folder next to it, named e.g. example_files. The tile of the lowest level in this example would be `example_files/0/0_0.jpg`.