Opera house as they sing. This occurs in the Met's productions of operas such as "Aida" and "Tales of Hoffman". London's Royal Opera House, which was remodeled in the late 1990s, retained the original 1858 auditorium at its core, but added completely new backstage and wing spaces as well as an additional performance space and public areas. Much the same happened in the remodeling of Milan's La Scala opera house between 2002 and 2004. Although stage, lighting and other production aspects of opera houses often make use of the latest technology, traditional opera houses have not used sound reinforcement systems with microphones
La Scala of melody one can catch. La Scala was originally illuminated with 84 oil lamps mounted on the stage and another thousand in the rest of theatre. To prevent the risks of fire, several rooms were filled with hundreds of water buckets. In time, oil lamps were replaced by gas lamps, these in turn were replaced by electric lights in 1883. The original structure was renovated in 1907, when it was given its current layout with 1,987 seats. In 1943, during World War II, La Scala was severely damaged by bombing. It was rebuilt and reopened on 11 May 1946, with