Should we embrace the unknown? Every year, people gather to remember an unknown soldier who died more than 100 years ago.
The unknown soldier remembered 100 years on
Glossary
World War One - A war that included many European countries between 1914 and 1918.
Tomb of the Unknown Warrior - The unknown soldier lies in a coffin made of oak from the royal palace of Hampton Court, buried in soil from battlefields in France and covered by black marble from Belgium.
Westminster Abbey - A large church in London. Many British kings and queens are buried there.