Paris's Musée du Louvre was originally a fortress, built in 1190, to protect Parisians against Viking attacks. It had a moat protecting it from attacks as well as defense towers in all corners.

Paris’s Musée du Louvre was originally a fortress, built in 1190, to protect Parisians against Viking attacks. It had a moat protecting it from attacks as well as defense towers in all corners.Tiny Fox Lab Facts

Image credit: Wikicommons
Source: amarantechampselysees.com/our…