The rights of frogs of toads

How more considerate of our amphibian cousins can you get?

(Translation: “Amphibian migration / Obere Geerenstrasse / From the beginning of Mars to the end of Mars / 18:00 afternoon to 06:30 morning / Inaccessible”)

For an additional Swiss note, the next panel, which unfortunately I couldn’t photograph in the same frame, was a reminder that their is a votation this Sunday.

Published by

Kowalski

I am a professor of mathematics at ETH Zürich since 2008.