In London, a sea of red serves as a reminder of the bloodshed during World War I.<br/> <br />Prince William, his wife Kate and brother Harry wade into a field of poppies -- part of an installation marking 100 years since the start of the so-called war to end all wars.<br/> <br />Each of the ceramic poppies is handmade --- and represents the death of a British soldier.<br/> <br />After meeting with members of the military, the royals added their own poppies to the display.<br/> <br />A total of 888, 246 poppies will be planted in the Tower of London's dry moat throughout the summer.<br/> <br />The crimson flower is a reminder of the brutal trench warfare waged in Belgian poppy fields.<br/> <br />The final poppy will be placed on November 11, the anniversary of Armistice Day and the end of World War One.