How long did it take to build a curtain wall castle?

When was Dinsmore Bridge created? When was Many Rivers to Cross created? What were the positive and negative effects of industrialization between 1890 and 1920? What are slash and burn cultivation and shifting cultivation? How tall is the Squaw island lighthouse? How do people affect the river wear? I WANT ATT AS MY HOME PAGE, PLEASE HELP? What schlitterbahn ride is the best? Who built the cheops pyramid? Did the Mississippi River ever dry up? How much a person spends per year at the grand canyon? Charles joughlin who climbed over the railings an rode the ship into the sea was? How far from Highgrove is Windsor? When was Hearst Castle created? Was the forbidden city built in the capital city of Xian? Which state was created over millions of years as the result of a hot spot in the Pacific Ocean? What are the names of the canyons in the Amazon rainforest? Why do you think people put toilets next to rivers? Where is Lake Superior located in the thirteen colonies? What animal eats coral fungi?