 Complete the following phrase:  The Zénith de Toulouse is an indoor arena located in Toulouse. The venue was designed by André and Serge Gresy, who have also done the Palais Nikaia, Zénith dAuvergne and the Grande Halle dAuvergne. The arena began construction in 1998 and opened in April 1999. The first event held at the venue was a concert organized by Jean-Pierre Mader. The concert was hosted by French actor Ticky Holgado and featured performances by Chevaliers du fil, Pauline Ester, Bernardo Sandoval, and the lOrchestre de chambre national de Toulouse. The venue faced renovations after the explosion at the nearby 