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 access through the installation of three lifts; this work was completed by the end of March 2013. There have been past proposals to connect Tramlink to Crystal Palace, with mayoral candidates citing the desirability of the initiative. The area is served by multiple bus routes, many of which terminate at Crystal Palace Bus Station. These services include routes N2, 3/N3, N63, 122, N137, 157, 202, 227, 249, 322, 358, 363, 410, 417, 432, 450 and 931. The nearest major international airports are Heathrow and Gatwick. London City Airport and Biggin Hill Airport are also nearby. Marie Stopes, early promoter of