Fall der Berliner Mauer 1989

Lear 21 at English Wikipedia [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

Venus vom Hohle Fels

By Thilo Parg [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], from Wikimedia Commons

Nelson Mandela

South Africa The Good News / www.sagoodnews.co.za [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

Loewenmensch

By Dagmar Hollmann [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], from Wikimedia Commons

Pluto

By NASA/JHUAPL/SwRI [Public domain], via Wikimedia Commons

Villa Esche

By Michael Sander [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], from Wikimedia Commons

Dolly – das Schaf

From English Wikipedia: https://en.wikipedia.org/wiki/Image:Dollyscotland.JPG

Edward Snowden

Laura Poitras / Praxis Films [CC BY 3.0 (https://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons

Der letzte Trabant

Bundesarchiv, Bild 183-P0619-306 / Ludwig, Jürgen / CC-BY-SA 3.0 [CC BY-SA 3.0 de (https://creativecommons.org/licenses/by-sa/3.0/de/deed.en)], via Wikimedia Commons

Die Himmelsscheibe von Nebra

Dbachmann [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