Granary showing supports for ventilated floor and circular furnace to provide heated air underfloor, Housesteads Roman Fort, Hadrians Wall, UNESCO World Heritage Site, Northumbria, England, United Kingdom, Europe

day landmarks landmark outdoors horizontal nobody archaeology archaeological sites ancient civilizations past history roman granary granaries ruins old ruin fort forts housesteads housesteads fort hadrians wall hadrian's wall world heritage site northumberland northumbria england great britain united kingdom europe walls