Performers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPA float catches fire by accident during the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFPerformers participate in the opening parade of the Uruguayan carnival --the world longest-- in Montevideo, on January 21, 2016. Photo: AFP