Holborn Viaduct with Red London Bus’s Passing underneath, Historic London Landmark and Victorian Architecture and Engineering

london buses holborn viaduct holborn viaduct station londons unknown landmarks london historic london city of london farringdon street newgate street city thameslink holborn hill tourist attraction victorian architecture sightseeing worlds first flyover commute grade 2 listed tourism victorian construction river fleet landmark skinner street architecture financial district vaults a40 limestone fleet valley engineering cyclist blitz damaged subterranean river fleet castiron structure slow motion masonry culverts restoration