London Borough of Richmond upon Thames to Richmond Bridge, has displays relating to the history of Richmond, Ham, Petersham and Kew. Its rotating exhibitions, education activities and a programme of events cover the whole of the modern borough. The museum's highlights include 16th-century glass from Richmond Palace and a painting, "The Terrace and View from Richmond Hill, Surrey" by Dutch draughtsman and painter Leonard Knyff (1650–1722), which is part of the Richmond upon Thames Borough Art Collection. Orleans House Gallery in Twickenham displays material from the London Borough of Richmond upon Thames' art collection. This includes a portrait of James Johnston by Thomas Gibson, paintings of
Parks and open spaces in the London Borough of Croydon Board of Health in 1865. Addington Hills is a major floodplain in London for the Thames Valley and is recognised as a significant obstacle to the growth of London from its origins as a port on the north side of the river, to a large circular city. Mitcham Common also forms part of the borough although it is only partly in Croydon, the London Borough of Merton has the dominant half of the common, while Sutton make up most of the south side. The Queen's Gardens, Park Hill and Norwood Grove are examples of ornamental gardens in the Borough. There