What did The Parthenon is an example of a building with balance?

Northern China built the Great Wall to protect itself from the invasions of the? How do people earn a living on mount Everest? How many people swam across lake Ontario? How did gorge mallory die on mt eversst? Where is muslipattanam? Which large city in the northeast region is located mainly on three island? How do you spell arctic? What coastal structures are designed to keep tidal inlets from shifting location or filling with sand? What metal is extracted from coral? What campsites take under 18s? Why are river and lakes important to people? What river is Tuscaloosa located on? How was The Erie Canal Built? What term describes the speed of the flow of water in a river or a river stream? What is the past tense of tour? What is a church bell rung at morning noon and sunset called? What were the reasons why motte and bailey castles were turned into stone? What is Denali National Park called in the past? Do cheetahs live in any rain forests? Is ocean a main source of water?