The Royal Family criss-crossed the globe, at a cost of almost £1 million, to celebrate the Queen's Diamond Jubilee last year.
While the Queen and the Duke of Edinburgh remained at home, touring the UK, their family travelled around the Commonwealth to mark the milestone.
The Princess Royal visited South Africa and Mozambique to celebrate her mother's 60-year reign, travelling on a scheduled long-haul return flight between London and Johannesburg costing just over £42,000.
For the opening of the Paralympic Games a month later, the Queen flew by chartered plane from Scotland to London at a cost of £16,000, then returned on the Royal Train for £20,000.
More top news
Detective Constable Kevin Rowley appeared at Westminster Magistrates' Court on Monday charged with assaulting the teenager by beating him.
The Royal Observatory in Greenwich streamed the event online using state of the art telescopes.
Speaking to ITV News Simon Wilkinson said the company had no phone number for the former staff members and they didn't respond to emails.