Vallum (Hadrian's Wall) Scotland and the temporary abandonment of Hadrian's Wall. It is worth noticing at this point that the Antonine Wall was a less formidable barrier than Hadrian's Wall, for two main reasons: firstly, because it was built out of turf rather than stone; and secondly, because it had no equivalent ditch system like the Vallum behind the Wall. It may have been for these reasons that the Antonine Wall was not garrisoned for very long. Vallum (Hadrian's Wall) The Vallum is a huge earthwork associated with Hadrian's Wall in England. Unique on any Roman frontier, it runs practically from coast to
Vestiges of the Gallo-Roman wall, Grenoble to the construction of the wall in the end of the 3rd century AD, the Gallic city of Cularo (Grenoble) was surrounded by a fence and a ditch. During the Roman Peace (Pax Romana) period (27 BC to 180 AD), the walls were not guarded. In the 3rd century, the city was weakened by the invasion of barbarians, so the Gallo-Romans built a surrounding wall, under the rule of the Emperor Diocletian. The wall surrounding Cularo covered 9 hectares of land and had two main gates. At the time, the city had an approximate population of 2000 inhabitants. Cularo appears