“Poppelsdorfer Schloss” I, Der Wolf im Wald [CC-BY-SA-2.5 (http://creativecommons.org/licenses/by-sa/2.5)] via Wikimedia Commons https://upload.wikimedia.org/wikipedia/commons/1/16/Poppelsdorfer_Schloss.jpg

“Universität Bonn” by Thomas Wolf (Der Wolf im Wald) – Own work. Licensed under Creative Commons Attribution-Share Alike 2.5 via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:Universit%C3%A4t_Bonn.jpg#mediaviewer/File:Universit%C3%A4t_Bonn.jpg

“General_view_over_bonn” by Matthias Zepper (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons https://upload.wikimedia.org/wikipedia/commons/2/24/General_view_over_bonn.jpg

“Beethoven Denkmal” By Thomas Wolf, www.foto-tw.de (Own work) [CC-BY-SA-3.0-de (http://creativecommons.org/licenses/by-sa/3.0/de/deed.en)], via Wikimedia Commonshttps http://commons.wikimedia.org/wiki/File%3ABeethoven-Denkmal_Bonn.jpg

“Muenster Basilika” By Sir James (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons https://commons.wikimedia.org/wiki/File%3A2008-03-23_Bonn_Zentrum_M%C3%BCnsterbasilika.jpg

“Altes Rathaus Bonn” by Thomas Wolf (Der Wolf im Wald) – Own work. Licensed under Creative Commons Attribution-Share Alike 3.0 via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:Altes_Rathaus_Bonn.jpg#mediaviewer/File:Altes_Rathaus_Bonn.jpg

“Außenfassade des Museums Koenig in Bonn” by Simbel – Own work. Licensed under Creative Commons Attribution-Share Alike 3.0 via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:Au%C3%9Fenfassade_des_Museums_Koenig_in_Bonn.jpg#mediaviewer/File:Au%C3%9Fenfassade_des_Museums_Koenig_in_Bonn.jpg

“Gummy Bears” Roberta F. [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

“Bonn Hbf main entrance” by Qualle – Transferred from de.wikipedia, description page is (was) here. File history on de.wikipedia:2005-05-17 12:14:34 Qualle (Diskussion | Beiträge) 600 x 532 (185.923 Bytes) (etwas nachbearbeitet)2004-12-25 17:41:52 Qualle (Diskussion | Beiträge) 600 x 532 (40.488 Bytes) (Haupteingang zum Bonner Hauptbahnhof, selbst fotografiert {{Bild-GFDL}}). Licensed under Creative Commons Attribution-Share Alike 3.0 via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:Bonn_Hbf_main_entrance.jpg#mediaviewer/File:Bonn_Hbf_main_entrance.jpg

“CologneSkylineAtNight”  by Andreas Tille — Travail personnel. Licensed under Creative Commons Attribution-Share Alike 3.0-2.5-2.0-1.0 via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:CologneSkylineAtNight.jpg#mediaviewer/File:CologneSkylineAtNight.jpg

“Schloss Augustusburg, Hof” by PodracerHH – Praca własna. Licensed under Creative Commons Attribution-Share Alike 3.0 via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:Schloss_Augustusburg,_Hof.JPG#mediaviewer/File:Schloss_Augustusburg,_Hof.JPG

“Siebengebirges_schloss_drachenburg” Celsius at wikivoyage shared [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0-2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons https://upload.wikimedia.org/wikipedia/commons/a/aa/Siebengebirge_schloss_drachenburg_ds_wv_09_2008.jpg

“Monschau” By Frank Vincentz (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons

“Bonn BPS Moby Dick” By Sir James (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons