By Photographer: Arcturus (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.0 de (https://creativecommons.org/licenses/by-sa/2.0/de/deed.en)], via Wikimedia Commons
By PolizeiBerlin - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=46220966
By Bene16 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=11325526,GFDL, https://commons.wikimedia.org/w/index.php?curid=17209504
By USAF - Own work, USA Public Domain