22.08.2013, Dorsten, North Rhine-Westphalia, Germany - Klaeranlage. Probennahme am Klaerbecken. 00X130822D011CAROE.JPG [MODEL RELEASE: NO, PROPERTY RELEASE: NO (c) caro images / Rupert Oberhaeuser, http://www.caro-images.com, [email protected] - In case of using the picture for any non-editorial purpose, please contact the agency - the picture is subject to royalty!]