Completed the following sentence: The Mont Blanc Tunnel was originally managed by the two construction companies. Complete the following sentence: The Mont Blanc Tunnel was originally managed by the two construction companies. <unk> <unk> <unk>
1999 fire in which 39 people died, which showed how lack of coordination could hinder the safety of the tunnel, all the operations are managed by a single entity: MBT-EEIG, controlled by both ATMB and SITMB together, through a 50<unk>50 shares distribution.