Participants hold a giant rainbow flag during the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants attend the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants attend the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





A participant attends the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants prepare for the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





A participant attends the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





A participant attends the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants hold a giant rainbow flag during the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants attend the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants hold rainbow flags during the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





A participant attends the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants hold a giant rainbow flag during the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Participants attend the Prague Pride Parade where thousands marched through the city centre in support of gay rights, in Czech Republic, August 13, 2016. (Photo by David W. Cerny/Reuters)





Revellers pose during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





Revellers dance on a float during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





Revellers pose during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





Revellers pose during the Street Parade dance music event on a bridge across the Limmat river in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





Revellers pose during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





Revellers celebrate during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





Revellers pose during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





Revellers pose during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)





A reveller looks through beer mug-shaped sunglasses during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)