Cologne

Carnival revellers celebrate the start of the carnival season in Cologne...Carnival revellers throw confetti as they celebrate the start of the carnival season in Cologne November 11, 2015. In many parts of Germany, at 11:11am on November 11, people mark the official start of carnival, a season of controlled raucous fun that reaches a climax during the days before Ash Wednesday and the start of Lent.      REUTERS/Wolfgang Rattay

Wolfgang Rattay/Reuters

Carnival revellers throw confetti as they celebrate the start of the carnival season in Cologne November. In many parts of Germany, at 11:11am on November 11, people mark the official start of carnival

Morning sun...epa05007143 An aerial view of autumn trees along the shore of a quarry pond in Cologne,†Germany, 02 November 2015.  EPA/HENNING KAISER

Henning Kaiser/EPA

An aerial view of autumn trees along the shore of a quarry pond in Cologne, Germany 

Cosplayers pose for a photo during the Gamescom fair in Cologne...Cosplayers pose for a photo during the Gamescom fair in Cologne, Germany August 6, 2015. The Gamescom convention, Europe's largest video games trade fair, runs from August 5 to August 9. REUTERS/Kai Pfaffenbach

Kai Pfaffenbach/Reuters

Cosplayers pose for a photo during the Gamescom fair in Cologne, Germany. The Gamescom convention, Europe’s largest video games trade fair

A woman tests a virtual reality headset "VR One" developed by a German manufacturer Zeiss at the Gamescom 2015 fair in Cologne, Germany on Wednesday. The Gamescom convention, Europe's largest video games trade fair

Kai Pfaffenbach/Reuters

A woman tests a virtual reality headset “VR One” developed by a German manufacturer Zeiss at the Gamescom 2015 fair in Cologne, Germany on Wednesday. The Gamescom convention, Europe’s largest video games trade fair

A visitor looks at the installation titled "mitten" by Katharina Hinsberg from Edith Wahlandt gallery at the Art Cologne fair in Cologne

Ina Fassbender/Reuters

A visitor considers “Mitten” (which roughly translates as middle), an installation by Katharina Hinsberg displayed in the Edith Wahlandt Gallery at the 47th Art Cologne fair in Germany.