Prince William and Kate Middleton have been taking more royal trips on behalf of Queen Elizabeth II.The 94-year-old is known to be one of the most travelled royals, however, she is now passing on the baton to the younger generation of royals.With their increasing travels, future king William and Kate have to follow a certain set of rules and protocols while travelling.
According to royal insiders, these start from the moment the plane hits the tarmac and the “cabin doors open”, writes Express.co.uk.
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