Question: what is open on labour day in paris?
Answer: Notre Dame – Open. The Louvre – Closed. The Eiffel Tower – Open. Musée d'Orsay – Closed. Arc de Triomphe – Closed (But you could still take photos from the outside.) The Centre Pompidou – Closed. Sacré-Cœur – Open. Père Lachaise Cemetery – Open.