Westminster Cathedral turns out the lights

 Westminster Cathedral's floodlights are to be turned off between 9pm and 10pm this Thursday 21st June, as part of an energy saving campaign aimed to highlight climate change. Other major London buildings, including Buckingham Palace and the Houses of Parliament, are also taking part in the 'Lights Out London' switch off. 'Lights out London', an hour-long event on the longest day of the year is being supported by famous landmarks and businesses who will join ordinary Londoners aiming to save around 750 MWh of electricity in just one hour. For more information please visit www.lightsoutlondon.com