What are the 4 concentric rings that surround the Forbidden City?

What is the name of footwear for beach? What is the Island halfway across the Pacific Ocean? What are the different ways in which erosion takes place? What layer of the rainforest does a worm live in? Which country does the Nile not flow through? Where is Crater of Diamonds State Park located? What are three rivers on the western side of the Continental Divide? What is the difference between lateral and longitudinal directions? Dead people in a castle? What are the 3 fastest rides in Walt Disney World? What is the phone number of the Pacific Northwest Truck Museum in Brooks Oregon? What effects does tourism have on Lulworth Cove? What is bridge control? Where does the Sacramento River end? What 5 reason why the reservoir? What are the three main northeast mountain ranges in the Appalachian mountains? What artist traveled to the Louvre in hopes of painting one gallery containing several masterpieces only to find the gallery filled with contemporary works? How did the cuyahoga river in Cleveland Ohio help promote the environmental movement? What made John Adams a good leader? Difference in museum and memorabilia?