The history behind why people wear them and what they represent.
The landmark documentary will show never-before-seen footage from the Great War.
A century gone, but not forgotten.
"We wanted to find a new way to remember the stories and lives of those who served in WWI."
It may have struck a mine with its upper deck.
'From that moment all my religion died.'
Remembering the fallen through spoken word.
How much do you know about the event?
The FA is looking at what will happen if they go ahead without permission.
Young men handed out cards detailing names and ages of soldiers who died in the bloody battle.