Rome is full of old markers pointing out the height of the <a href="https://en.wikipedia.org/wiki/Tiber" class="extiw" title="w:Tiber">w:Tiber</a> floods. This one, from 1598, is set into a pillar of the Santo Spirito hospital near <a href="//commons.wikimedia.org/w/index.php?title=St._Peter%27s&amp;action=edit&amp;redlink=1" class="new" title="St. Peter's (page does not exist)">Basilica di San Pietro</a>. Photo taken in April, 2005.<br>flood marker
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/93226994@N00">Anthony M.</a> from Rome, Italy
CC BY 2.0
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