the Arc de Triomphe sits at the high end of the Champs Elysées avenue. This is the 8th arrondissement, but just at the limit of the 16th and 17th arrondissements.
In 1806 Napoleon asked the architect Chalgrin to construct a gigantic triumphal arch in honour of the French Army. The top of the Chaillot hill had to be levelled, and the foundations gave some...