Arc de Triomphe
The Arc de Triomphe is Napoleon's Neoclassical take on the ancient Roman triumphal arch. It's at the center of a square, with a dozen Parisian avenues radiating out from it into the rest of the City of Light.
At the base of the arch the Tomb of the Unknown Soldier is rekindled at 6:30 each evening.
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During the flame ceremony at 6:30p the security officer was a jerk and blocked people view on purpose. Other than that, great experience.