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
Powis Square, London Powis Square, London Powis Square is a garden square and locality in Notting Hill, in the Royal Borough of Kensington and Chelsea in London, England. The closest London Underground station to the square is Westbourne Park tube station. The Tabernacle, a local community arts centre with a long association with the Notting Hill Carnival, is located there. Exterior scenes for Nicolas Roeg's 1970 film "Performance", starring James Fox and Mick Jagger, were filmed in Powis Square. Lemmy Kilmister gave his debut as a bass player for Hawkwind on a free open air concert on Powis Square in August 1971. The