The Duke and Duchess of Cambridge and Prince Harry are on a visit to the new Warner Bros. Studios in Leavesden, Hertfordshire.
William was invited to try out the bike used in the Dark Knight trilogy, the Batpod, and also got to see the revving engine of the batmobile, named the Tumbler.
More top news
A shock to the system
We found a tableau of desperation; vast crowds of people pushing and shoving their way forward, away from the continuing bombardment.
Cambridge Analytica played a key role in mapping behaviour of voters in the US election and was used during the EU referendum campaign.