19th-century London a network of smaller tunnels away from the River Thames and out of Central London, towards the Northern Outfall Sewer at Beckton in East London. The Victoria Embankment also allowed an extension of the Metropolitan District Line underground to be built, from Westminster east to Blackfriars. In total, the Victoria Embankment reclaimed over 37 acres of land from the Thames, allowing a broad east-west boulevard to be built and a series of public gardens. All three sections of the Thames Embankment are faced in grey granite, mounted with handsome cast iron lamps, and lined with London plane trees. In 1878,
Richmond Bridge, London Goose", the £3,500,000 yacht of National Car Parks founder Sir Donald Gosling, became wedged under the central arch of the bridge, eventually being freed at low tide the next day. The eighth Thames bridge to be built in what is now Greater London, Richmond Bridge is currently the oldest surviving bridge over the Thames in Greater London, and the oldest Thames bridge between the sea and Abingdon Bridge in Oxfordshire. Richmond Bridge was Grade I listed in 1952 and it is the only Georgian bridge over the Thames in London. Its bicentenary was celebrated on 7 May 1977; the commemoration