Complex sentence: In 2005, Members of the Viennese art group "Gelatin" finished erecting a massive pink stuffed bunny on the side of the mountain, 200 feet (about 60 meters) in length, and 20 feet (6 meters) high on its sides.
Split into simpler sentences: In 2005, Members of the Viennese art group "Gelatin" finished erecting a massive pink stuffed bunny on the side of the mountain. The final piece is 200 feet (about 60 meters) in length and 20 feet (6 meters) high on its sides.