Autor: Bundesarchiv, Bild 183-14006-0002 / Schmidtke / CC-BY-SA 3.0
Título: Berlin, erster Fussgängerschutzweg Info non-talk.svg
Data: 22 de Março de 1952
Origem: This image was provided to Wikimedia Commons by the German Federal Archive
Fonte: https://commons.wikimedia.org/wiki/File:Bundesarchiv_Bild_183-14006-0002,_Berlin,_erster_Fussg%C3%A4ngerschutzweg.jpg
Licença: https://creativecommons.org/licenses/by-sa/3.0/de/deed.en
31-10-1951