IX. Use the suggested words/ phrases to make a complete sentence 56. Great Wall/China/built/220 B.C./A. D. 1644/several emperors/dynasties 57. Taj Mahal/one/crowning architectural achievements/Mughal empire. → 58. Ha Long Bay/situated/north Viet Nam/around 120 kilometer long coast line. 59. Amazon Rainforest/represent/over half/planet's remaining rain forest 60. Great Barrier Reef/largest system/coral reef/world.