Why is such a tunnel needed? (media.mas.to)
I found such a photo on the Internet and became interested in what function such a structure could perform.
![](https://kbin.spritesserver.nl/media/cache/resolve/entry_thumb/12/57/12574a2bb7ecb57c6269d3654f174103a0f802279756e154b1be96651b0cae88.jpg)
I found such a photo on the Internet and became interested in what function such a structure could perform.
Photo: Museo Nazionale Etrusco
alt textEdward VII penny with the words “VOTES FOR WOMEN” carved into it...