Complex sentence: Although mostly in excellent condition for an excavated sculpture, the group is missing several parts, and analysis suggests that it was remodelled in ancient times and has undergone a number of restorations since it was excavated.
Split into simpler sentences: Although mostly in excellent condition for an excavated sculpture, the group is missing several parts. Analysis suggests that it was remodelled in ancient times and has undergone a number of restorations since it was excavated.