A building on the axis of 2010 Shanghai World Expo is seen lit up blue, white and red in support for the Paris terror attack victims: http://usat.ly/1Mvv4xa By European Pressphoto Agency

The Court Square Fountain near the Alabama State Capitol, seen in the background, is lit in France’s national colors Saturday, in downtown Montgomery. Mickey Welsh, The Montgomery Advertiser, via AP

The national colors of France lit the arch in Washington Square Park in New York City on Saturday: http://usat.ly/1Mvv4xa By Mary Altaffer, AP

The Christ the Redeemer statue is illuminated in France's national colors in Rio de Janeiro. By Antonio Lacerda, European Pressphoto Agency

People walk across Bay Street in Toronto on Nov. 14, 2015, as the CN Tower displays the colors of the French flag to show support for victims of the Paris attacks. By Doug Ives, AP

As the sun sets, Tower Bridge is lit in a succession of blue, white and red, on Saturday in London. By Chris Ratcliffe, Getty Images