One Canada Square of the building, designed by Cesar Pelli and Koetter Kim. The extension replaced the stainless steel columns, car parking spaces and road leading to Canada Square. The extension was made to create more retail space at street level, where five tenants were chosen to occupy the space: four restaurants and Lloyds Bank. The extension's roof terrace is open to diners and contains a green roof having sedum moss. The name given to the building by the developers is 'One Canada Square', but it is often incorrectly called 'Canary Wharf Tower' or simply 'Canary Wharf'. The Civil Aviation Authority shows the
Park Square, London victory at the Battle of Waterloo in 1815. Also of interest is a tulip tree, "Liriodendron tulipifera". An unusual and original feature in the garden is the "Nursemaids' Tunnel", an early example of an underpass, linking the square with Park Crescent. Park Square, London Park Square is north of Park Crescent and the Marylebone Road in London. It consists of large elegant stuccoed terraced houses by the architect John Nash, and was built in 1823–24. To the south of the square is Regent's Park tube station. Park Square Gardens are in the centre of the square. Immediately to the north