M/N "Fortuna" and M/N "Delfino" in Locarno.
Unknown author<span style="display: none;">Unknown author</span>
CC BY-SA 4.0
ETH-Bibliothek Zürich, Bildarchiv / Fotograf: Unbekannt / Dia_282-7545 / CC BY-SA 4.0 / <a rel="nofollow" class="external free" href="https://doi.org/10.3932/ethz-a-000076689">http://doi.org/10.3932/ethz-a-000076689</a>