151116-eiffel-tower-red-white-blue-1240p_d36e114e055a1af8ffe687a50888fb6d.nbcnews-fp-1200-800

The Eiffel Tower is lit with the colors of the French flag in Paris on Nov. 16, 2015, to pay tribute to the victims of a series of deadly attacks on Friday in the French capital. BENOIT TESSIER / Reuters