Check the url.
/media/filer_public_thumbnails/filer_public/43/a1/43a12788-62a1-4f36-9c7b-a40e91e66af2/impatiens_glandulifera_keimlinge_terfens_24_03_2007_3_wz.jpg__576x346_q85_crop_subsampling-2_upscale.jpg