Some of London’s biggest landmarks will fall dark on Saturday night, plunging parts of the capital into darkness to raise awareness of climate change.
From 8.30pm, landmarks across the capital including the Gherkin, Big Ben, and the London Eye will fall dark for the World Wildlife Fund's (WWF) Earth Hour.
For the first time, The Ritz hotel with its name famously written in lights, will go dark for the event. It will be the first time in the hotel's 109-year history its exterior lights, including the signage, has been switched off.
Other landmarks, with a focus on the Southbank this year, include:
- The Gherkin
- Buckingham Palace
- Tower Bridge
- Old Vic
- London Eye
- Mondrian Hotel London
- Southbank Centre
- Gillray's Steakhouse & Bar
- Park Plaza Hotel County Hall and Park Plaza Hotel Westminster Bridge
- BFI Southbank
- BFI IMAX
- The National Theatre,
- Skylon and OXO Tower Restaurant
- The Ritz
It's the third year the capital's biggest landmarks have been plunged into darkness, along with the rest of the country and more than 100 other countries around the world marking the global event. Londoners are being encouraged to take part by switching their own lights off for Earth Hour.
Here's what some of the capital's biggest attractions looked like in previous years during Earth Hour.
Houses of Parliament and Big Ben fully illuminated
Houses of Parliament and Big Ben with the lights switched off
Lights out at Canary Wharf
The Millennium Bridge across to St Pauls
Piccadilly fully lit
Piccadilly with its famous billboard ads turned off