Ancient Roman architecture.
The Arènes de Lutèce are among the most important ancient Roman remains in Paris, together with the Thermes de Cluny. Constructed in the 1st century AD, this theatre could once seat 15,000 people and was used also as an amphitheatre to show gladiatorial combats.
From Wikipedia, CC BY-SA 4.0.
Stand in front of it, point your camera, and LookUp names it from where you are, with these facts on the card. Every landmark you capture turns to colour on your Paris map.
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