Complex sentence: The Swan's main structure is a 12-story rectangular main structure with a gently arching top and two 7-story wings, on the Dolphin side the main structure is crowned with two, tall Swan statues.
Split into simpler sentences: The Swan's main structure is a 12-story rectangular main structure with a gently arching top and two 7-story wings on the Dolphin side. The main structure is crowned with two, tall Swan statues.