Russian President Vladimir Putin claps for prima ballerina Maya Plisetskaya at the start of a concert at Bolshoi Theatre in Moscow in this November 20, 2000 file photo. Plisetskaya, considered one of the greatest ballerinas of the 20th century, died of a heart attack in Germany on May 2, 2015, at the age of 89, Bolshoi Theatre director Vladimir Urin announced. REUTERS/Stringer/Files