exhibition neolithic house at stonehenge, salisbury, wiltshire, england with hazel thatched roof and straw hay daubed walls

2500bc 4500 age ago ancient archaeological chalk construction covering daub daubed display doorway durrington england era evidence example exhibition frame framework hand hay hazel historic historical home house knotted neolithic outer posts prehistoric primitive rods roof salisbury sample stone stonehenge straw technique thatched thatching unearthed village walls water wheat wiltshire years