Check the url.
/media/filer_public_thumbnails/filer_public/23/db/23dbb404-65b7-42e3-bb6c-cfc14ce5f630/klaus_dapra_durchgehen_100x130_d250.gif__992.0x1289.6000000000001_crop_subject_location-0%2C0_subsampling-2.gif