Sculpture in Scotland CE, building a series of forts, but by 87 CE the occupation was limited to the Southern Uplands and by the end of the first century the northern extent of Roman occupation was a line drawn between the Tyne and Solway Firth. The Romans eventually withdrew to a line in what is now northern England, building the fortification known as Hadrian's Wall from coast to coast. Around 141 CE they undertook a reoccupation of southern Scotland, moving up to construct a new "limes" between the Firth of Forth and the Firth of Clyde, where they built the fortification known as
Architecture of Scotland classical models. Edinburgh's New Town was the focus of this classical building boom in Scotland. From the mid-eighteenth century it was laid out according to a plan of rectangular blocks with open squares, drawn up by James Craig and built in strong Craigleith sandstone which could be precisely cut by masons. Most residences were built as tenement flats, where, in contrast to contemporary building in England where buildings were divided vertically into different houses, they were divided horizontally, with different occupants sharing a common staircase. The smallest might have only one room, the largest several bedrooms and drawing rooms. This