What Roman wall lies near the boundary of Scotland and England?
Hadrian’s Wall Limes Hadriani Hadrian's wall Hadrian’s wall Vallum Aelium Vallum Aeli Broad Wall Hadrian's Wall - Frontiers of the Roman Empire Hadrian's Wall Vallum Hadriani Hadrian's Wall, United Kingdom Hadrians Wall Wall of Hadrian Hadrian Wall Narrow Wall Vallo di Adriano