London is pulling all the stops to mark 70 years of Britain’s Queen Elizabeth on the throne at the beginning of June this year. Given the monarch’s increasingly rare public appearances, it might be a last chance of getting a glimpse of her in person, not to mention a fun time of year to head to London. Even the estranged Duke and Duchess of Sussex are set to join in the jubilee celebrations. Here’s what to know if you’re thinking of a quick royal visit to London for the Queen’s Platinum Jubilee celebrations. What is planned for the Jubilee? The Queen’s birthday parade is set to take place on J…