Complex sentence: The Stainmore Railway crossed the river on the huge iron-girder lattice Belah Viaduct, before it was demolished in 1964, it was the highest bridge in England The Crumlin Viaduct in Wales was a few feet taller, at at high.
Split into simpler sentences: The Stainmore Railway crossed the river on the huge iron-girder lattice Belah Viaduct, before it was demolished in 1964. It was the highest bridge in England, The Crumlin Viaduct in Wales was a few feet taller, at at high.