Archway, arch - a passageway beneath a curved masonry development; "they created a triumphal arch to memorialize their victory" The later on Antonine Wall (begun in 142 CE underneath the reign of your Roman emperor Antoninus Pius) stretched 39 miles (sixty three kilometres) involving the Firth of Forth as well https://wallarttcouk08643.oneworldwiki.com/5952516/wall_options