Ancient Roman garum factory ruins in the grounds of the Hotel Palacio do Gobernador, Rua Bartolomeu Dias, Belem, Lisbon, Portugal. In use from the 1st-2nd centuries AD to 5th-6th centuries AD.
<a href="//commons.wikimedia.org/wiki/User:Simon_Burchell" title="User:Simon Burchell">Simon Burchell</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>