Double-decker Büssing bus of Swissair at Zürich international airport.
Swissair
CC BY-SA 4.0
ETH-Bibliothek Zürich, Bildarchiv/Stiftung Luftbild Schweiz / Fotograf: Swissair / LBS_SR05-001166-14A / CC BY-SA 4.0 / <a rel="nofollow" class="external free" href="https://doi.org/10.3932/ethz-a-000468779">http://doi.org/10.3932/ethz-a-000468779</a>