British Royal Family attends the "World War I Memorial" Exhibition

The Duchess of Cambridge, Catherine, and Prince William plant a ceramic poppy, the work of artist Paul Cummins, made up of 888,246 ceramic poppy petals.

Each bright red ceramic poppy flower will represent a victim of World War I.

Duchess Catherine, talking to a British soldier with a ceramic flower branch in her hand.

Duchess Catherine, Prince William and Prince Harry are joined by a Royal officer to visit the ceramic flower fields at The Tower of London

(Image: Oli Scarff – John Stillwell / WPA Pool / Getty Images)

The Thanh