Complex sentence: In December 2004, Filin suffered a severe injury while performing on stage at the Bolshoi Theatre, which put on hold his career for several months before returning to the dance scene in the second half of the following year.
Split into simpler sentences: In December 2004, Filin suffered a severe injury while performing on stage at the Bolshoi Theatre. This incident put his career on hold for several months, before returning to the dance scene in the second half of the following year.