Carved from sandstone, the dungeon (foreground) beneath England's Nottingham Castle (top) -scanned in 3-d via lasers-is superimposed on an image of the aboveground buildings.
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回去稍微远一点,你会找到纸莎草,蜡,凿刻的石头和各种各样的东西。
Go back a bit further and you've got papyrus, wax, chiseled stone and all sorts of things.