World War One claimed at least 18 million lives between 1914 and 1918, making it one of the bloodiest battles in world history.
As we approach the 100 year anniversary of the date the war ended - the eleventh day of the eleventh month, 1918 - the Tower of London is set to mark this significant centenary by illuminating its moat with 10,000 flames.
In a trial run last night, the Tower's trained Yeoman Warders (or as many know them, Beefeaters) lit the flames to ensure it would work ahead of the main event tonight.
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The ceremony is a touching tribute to the sacrifice made by those who lost their lives during the First World War.
The installation, entitled The Beyond the Deepening Shadow: The Tower Remembers, will see the fires lit-up every night in the week running up to Armistice day.
Designer Tom Piper, who helped to create the display whereby the moat was filled with 888,246 ceramic poppies back in 2014, is behind the latest tribute.
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Working with a sound artist, the spectacle will be accompanied by a specially commissioned sound installation featuring choral music and words from war poet Mary Borden's Sonnets to a Soldier.
A spokesperson for the Historic Royal Palaces, the organisation responsible for maintaining the Tower of London, told the Evening Standard that many of the volunteers who helped out with the poppy installation are also getting involved with the light display, and many have a family connection to the war.
General the Lord Houghton, Constable of the Tower of London, added: "The First World War claimed the lives of over 18 million people across the globe.
"We remembered them at the Tower on the anniversary of the start of the war, and it feels equally appropriate that we should again commemorate their sacrifice 100 years after hostilities came to an end.
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"Many of the Tower community have served in the Armed Forces, and it is important for us to ensure that those who lived, served, fought and died during this time continue to be remembered, and that the lessons from these conflicts continue to be shared."
If you'd like to commemorate those who lost their lives during the war, head on down to the Tower of London to witness the spectacle, which will take place between 5pm and 9pm, starting tonight and continuing each evening until Sunday 11 November.
You can see the installation for free from Tower Hill and the Tower concourse, or you can buy tickets to see it up close in the moat and experience the moving sound installation.
Featured Image Credit: Tower of LondonTopics: UK News