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
Roman Wall (Sofia) notched brick cornice decorates the top of the wall. The Roman Wall was built in the 16th or 17th century, the time of the Ottoman rule of Bulgaria. The wall's exact purpose is unclear, though it is agreed that it performed an Islamic religious function. It may either be the preserved part of an eminent Ottoman Turk's tomb, or it may have formed part of a "namazgâh", an open-air religious structure where the imam would perform a prayer for those embarking on the Hajj. In the late 19th century, after the reestablishment of the Principality of Bulgaria in 1878, the