Participitants of the techno parade “Zug der Liebe” (Train of love) dance in a street in Berlin, Germany, July 25, 2015. The organisers of the parade want to combine dancing with political goals like rejection of the TTIP trade agreement. (Photo by Axel Schmidt/Reuters)

Participitants of the techno parade “Zug der Liebe” (Train of love) dance in a street in Berlin, Germany, July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participitants of the techno parade “Zug der Liebe” (Train of love) dance in a street in Berlin, Germany, July 25, 2015. (Photo by Axel Schmidt/Reuters)

A reveller takes part in the techno parade “Zug der Liebe” (Train of love) in a street in Berlin, Germany, July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participitants of the techno parade “Zug der Liebe” (Train of love) dance in a street in Berlin, Germany, July 25, 2015. (Photo by Axel Schmidt/Reuters)

A reveller takes part in the techno parade “Zug der Liebe” (Train of love) in a street in Berlin, Germany, July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. The organisers of the parade say they want to combine dancing with political goals like the rejection of the Transatlantic Trade and Investment Partnership (TTIP) free trade agreement between the European Union (EU) and the U.S., according to the official website for the event. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants of the techno-parade “Zug der Liebe” (Train of love) dance on a street in Berlin, Germany July 25, 2015. (Photo by Axel Schmidt/Reuters)

Participants attend the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. The “Zug der Liebe” is the successor to the “Loveparade”, which in its heyday attracted up to 100,000 participants and ended in disaster and tragedy in 2010 when 21 people died and over 500 were injured due to suffocation from overcrowding at the “Loveparade” in Duisburg. (Photo by Carsten Koall/Getty Images)

A participant attends the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. (Photo by Carsten Koall/Getty Images)

Participants attend the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. (Photo by Carsten Koall/Getty Images)

A woman dances during the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. (Photo by Carsten Koall/Getty Images)

A woman dances during the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. (Photo by Carsten Koall/Getty Images)

Participants enjoy during the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. (Photo by Carsten Koall/Getty Images)

Participants attend the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. (Photo by Carsten Koall/Getty Images)

A woman dances during the “Zug der Liebe” (The Love Train) techno and electronic music parade on July 25, 2015 in Berlin, Germany. (Photo by Carsten Koall/Getty Images)