How was the Buda Castle made?

What is the rich farmland between Tigris and Euphrates? Is a bailey and a courtyard the same? What is the river in northern Italy that flows across a fertile plain by the same name and into the Adriatic Sea? What American state is the same size of Egypt? What is price of postage stamp to Gibraltar from UK? How the energy transfers determine the heights of the hills on a roller coaster? Is CIF for the shipments by sea only? What is there to do in nags head beach? Who would a civilization choose to live near a river that regularly floods? What types of rocks are in Arches National Park? Is it true a tornado won't go where two rivers meet? Which countries does the limpopo river flow through? What eats toadstools? Does a man weigh more at the top of mt Everest or at the top base of the mountain? Where is the Burj Khalif? What river flows into Guinness? What is the Importance of nature? How many pages is the song river flows in you? What Arab countries border the mediterranean sea? What is the phone number of the San Luis Valley History Center Museum in Alamosa Colorado?