This image is a derivative work of the following images: File:Windmuehlen_Norden.jpg licensed with Cc-by-3.0, GFDL 2009-12-29T12:17:01Z Matthias Süßen...
attribution required (Multi-license with GFDL and Creative Commons CC-BY 3.0) Other versions Derivative works of this file: Windmuehlen Norden-CN.jpg...
