Crystal Palace Dinosaurs listed buildings from 1973, extensively restored in 2002, and upgraded to Grade I listed in 2007. The models represent fifteen genera of extinct animals, not all dinosaurs. They are from a wide range of geological ages, and include true dinosaurs, ichthyosaurs, and plesiosaurs mainly from the Mesozoic era, and some mammals from the more recent Cenozoic era. Following the closure of the Great Exhibition in October 1851, Joseph Paxton's Crystal Palace was bought and moved to Penge Place atop Sydenham Hill, South London by the newly formed Crystal Palace Company. The grounds that surrounded it were then extensively renovated and
Crystal Palace, London Ringways plan. With rising passenger numbers, additional London Overground services began stopping at the station and a major station redevelopment in 2012 led to proposals to extend the Croydon Tramlink service to the railway and bus stations. In 2016, Crystal Palace was named one of the best places to live in London. The ridge and the historic oak tree known as The Vicars Oak (at the crossroads of the A212 Church Road and A214 Westow Hill) were used to mark parish boundaries. This has led to the Crystal Palace area straddling the boundaries of five London Boroughs; Bromley, Croydon, Lambeth,