PARIS, FRANCE - OCTOBER 17: Trash on the sidewalk near Gare du nord trainstation, in Paris, on October 17, 2013. According to a disputed report from Le Figaro newspaper, London became the most visited city in the world in 2013, with 16 million visitors, just above Paris with 15.9 million visitors.(Photo by Lucas Schifres/Getty Images)
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Getty Images News Lucas Schifres