Stone Stronghold: Inside the Walls of Porta Nigra Step into the Porta Nigra in Trier and meet the Roman walls that have outlived empires, monks and modern traffic 🇩🇪🏛️🧱

Step into the Porta Nigra in Trier and meet the Roman walls that have outlived empires, monks and modern traffic 🇩🇪🏛️🧱

Read my post here: discovermyeurope.eu/stone-strong...

#ancientengineering #romanarchitecture #triertravel