One Canada Square of London."" One Canada Square was originally designed to be high at 55 storeys, but that penetrated the permitted projection height of the flight obstruction area of the airport approach district to London City Airport, but this was extended to a height of above kerb level in consideration of the fact that One Canada Square was on the external zone of the airport approach. To comply with air traffic safety regulations, the architects took five floors off the tower. The final height of was permitted, otherwise, the developers would have had to dismantle what was necessary to fit the height
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