Question: Alberto Cavos, (December 22, 1800 – May 22, 1863), was a Russian–Italian architect best known for his theatre designs, the builder of which  historic theatre in Moscow, Russia, designed by architect Joseph Bové, which holds ballet and opera performances?

Related documents: [0]  [DOC] The Bolshoi Theatre (Russian: Большо́й теа́тр , "Bol'shoy Teatr, Big Theatre"; ] ) is a historic theatre in Moscow, Russia, designed by architect Joseph Bové, which holds ballet and opera performances. Before the October Revolution it was a part of the Imperial Theatres of the Russian Empire along with Maly Theatre ("Small Theatre") in Moscow and a few theatres in Saint Petersburg (Hermitage Theatre, Bolshoi (Kamenny) Theatre, later Mariinsky Theatre and others). [END] 
[1]  [DOC] Alberto Cavos (Russified to Albert Katerinovich Kavos, Russian: Aльберт Катeринович Кавос , December 22, 1800 – May 22, 1863) was a Russian–Italian architect best known for his theatre designs, the builder of the Mariinsky Theatre in Saint Petersburg (1859–1860) and the Bolshoi Theatre in Moscow (1853–1856). [END]  
Answer: Bolshoi Theatre
Bolshoi Theatre