Britain's Prince Edward, Duke of Kent, (R) looks at tombstones of British soldiers during an official memorial ceremony for those killed during WWI at a military cemetary in Sofia April 8, 2014. The ... more 
Britain's Prince Edward, Duke of Kent, (R) looks at tombstones of British soldiers during an official memorial ceremony for those killed during WWI at a military cemetary in Sofia April 8, 2014. The year 2014 marks the 100th anniversary of the start of the First World War (WWI). REUTERS/Stoyan Nenov (BULGARIA - Tags: MILITARY POLITICS ANNIVERSARY ROYALS) less 
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Reuters | Photo By STOYAN NENOV / REUTERS
Tue, Apr 8, 2014 6:21 AM EDT