Plaque at Zürich Flughafen railway station.
Christian Lanz
CC BY-SA 4.0
ETH-Bibliothek Zürich, Bildarchiv / Fotograf: Lanz, Christian / Com_L29-0312-0001-0001 / CC BY-SA 4.0 / <a rel="nofollow" class="external free" href="https://doi.org/10.3932/ethz-a-001364148">http://doi.org/10.3932/ethz-a-001364148</a>