Complex sentence: Ethnically Georgian, he was born in Tbilisi on 31 December, 1973 but joined the Moscow Ballet School in 1987 and was admitted into the Bolshoi Ballet in 1991.
Split into simpler sentences: Ethnically Georgian, he was born in Tbilisi on 31 December, 1973. He joined the Moscow Ballet School in 1987 and was admitted into the Bolshoi Ballet in 1991.