Hadrian's waw
Frae Wikipedia
Hadrian's waw is a lang stane an timmer waw made by the Roman Empire during the ring o Hadrian. It is fund on the northren mairch o the auld Roman kintra o Britainie. The waw wis stairtit in 122 AD, an maist fowk believe it wis made ti be the rinnen between auld independent Scotland an Brittanie. Forby, the mairch wis weirt an the economie mair siccar.
Anither waw, the Antonine waw, is fund in Scotland, but haesna been hantle uphauden like Hadrian's.