The landmark CN Tower, in Toronto, Canada, on November 13, 2015. #

San Francisco City Hall is lit up with the colors of the French flag on November 14, 2015 in San Francisco, California. #

The Planalto Palace in Brasilia, Brazil, on November 14, 2015. #

Kaknastornet, the Swedish TV signal tower in Stockholm, on November 14, 2015. #

People walk past the Sydney Town Hall as it is lit in red, white, and blue, the colors of the French flag, in Sydney, Australia, on November 14, 2015. #

The blue, white, and red colors of the French national flag light up the London Eye Ferris wheel near Trafalgar Square in London, England, on November 14, 2015. #

People walk near the Three Crosses in Vilnius, Lithuania, on November 15, 2015, illuminated by the colors of the French national flag. #

Tokyo Tower is illuminated in blue, white, and red, the colors of the French flag in Japan, on November 15, 2015. #

Madrid's Town Hall is illuminated on November 14, 2015. #

An Israeli holds a placard during a ceremony honoring victims of the attacks in Paris, as the Tel Aviv municipality building is lit up on November 14, 2015. #

People take part in a vigil to pay tribute to the victims of the Paris attacks, at Trafalgar Square in London, on November 14, 2015. #

Mumbai's main railway station, the Chhatrapati Shivaji Terminus, is lit up in the colors of the French national flag on November 15, 2015. #

People look at a Ferris wheel illuminated with the colors of the French national flag in Budapest, Hungary, on November 15, 2015. #

In response to the terrorist attacks in Paris, the Tokyo Skytree is lit up for a memorial for the victims, on November 15, 2015. #

The Arctic Cathedral is illuminated in the French national colors in Tromso, Norway, on November 14, 2015. #

The iconic Angel of Independence monument is lit in the colors of the French flag in Mexico City, on November 14, 2015. #

Taiwan's landmark building Taipei 101 is lit up in blue, white and red, the colors of the French flag, in Taipei, on November 14, 2015. #

The Estonian government building is illuminated with the French national colors in Tallinn, on November 14, 2015. #

The Colpatria tower is lit up in blue, white, and red, the colors of the French flag, in Bogota, Colombia, on November 14, 2015. #

The town hall of Brussels is illuminated with the colors of the French national flag, at the Brussels Grand Place, on November 14, 2015. #

People stand near the Washington Square Arch, Saturday, November 14, 2015, at Washington Square Park in New York. #

Kuwait City's landmark Kuwait Towers are seen illuminated in the colors of the French national flag on November 15, 2015. #

The blue, white, and red colors of France's national flag lit up the Kirchner Cultural Center in Buenos Aires, Argentina, on November 14, 2015. #

Bratislava Castle is lit in red, white, and blue, in Bratislava, Slovakia, on November 14, 2015. #

The Palace of Culture and the modern highrise “sail” skyscraper by U.S. architect Daniel Liebeskind, in Warsaw, Poland, on November 15, 2015. #