"Bündelitag" (bundle day) at Zürich main station.
Hans Ruedi Bramaz
CC BY-SA 4.0
ETH-Bibliothek Zürich, Bildarchiv / Fotograf: Bramaz, Hans Ruedi / Com_L27-0396-0002-0006 / CC BY-SA 4.0 / <a rel="nofollow" class="external free" href="https://doi.org/10.3932/ethz-a-001244135">http://doi.org/10.3932/ethz-a-001244135</a>