UKRAINE. Odessa Oblast. Odessa. 1979. The spectacular interior of the Odessa National Academic Theatre of Opera and Ballet, The modern building was constructed by Fellner & Helmer in neo-baroque (Vienna Baroque) style and opened in 1887. The architecture of the luxurious audience hall follows the late French rococo style. The unique acoustics of the horseshoe-designed hall allows performers to deliver even a whisper to any part of the hall.