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
Haiphong Opera House Haiphong Opera House Haiphong Opera House (Vietnamese "Nhà hát lớn Hải Phòng") is a French-built neoclassical opera house on Opera Square ("Quảng trường Nhà hát lớn") in Hai Phong, which was opened in 1912. The first performance of opera in Haiphong was held by a travelling troupe in the Hotel des Colonies in 1888. Later 1895-1897 a touring French opera company in Indochina, featuring Alexandra David-Néel as prima donna toured Haiphong with La Traviata and Carmen. Another touring company, while waiting for the 1902 Exposition of Hanoi to open, came to Haiphong, including Blanche Arral. The French colonial authorities cleared