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Britain's Prince William, Duke of Cambridge (2nd R) stands on a gantry on one of the ship container cranes with DP World CEO Simon Moore (R), DP World chairman Sultan Ahmed Bin Sulayem (L) and British Conservative MP and former leader of The House of Commons, William Hague (2nd L), during a visit to DP World's London Gateway, container port at Stanford-le-Hope, east of London on March 14, 2016. The signing of a new declaration at Buckingham Palace committing the leaders of the global transportation industry to major steps to fight criminal wildlife trafficking has been hailed by The Duke of Cambridge as 'a game changer in the race against extinction.' / AFP / POOL / Nick Ansell (Photo credit should read NICK ANSELL/AFP/Getty Images)

Britain's Prince William, Duke of Cambridge (2nd R) stands on a gantry on one of the ship container cranes with DP World CEO Simon Moore (R), DP World chairman Sultan Ahmed Bin Sulayem (L) and British Conservative MP and former leader of The House of Commons, William Hague (2nd L), during a visit to DP World's London Gateway, container port at Stanford-le-Hope, east of London on March 14, 2016.
The signing of a new declaration at Buckingham Palace committing the leaders of the global transportation industry to major steps to fight criminal wildlife trafficking has been hailed by The Duke of Cambridge as 'a game changer in the race against extinction.' / AFP / POOL / Nick Ansell        (Photo credit should read NICK ANSELL/AFP/Getty Images)