Prince Philip funeral: all eyes on William and Harry and the Queen

Body language experts will aim to dissect estranged princes' movements and the Queen will pay silent tribute to her husband

All eyes will be on the sibling princes, not seen together since their frosty appearance at Westminster Abbey's Commonwealth Day service more than a year ago, just before the Duke and Duchess of Sussex departed for good. Brought very close by the death of their mother, Diana, Princess of Wales, they are now separated by more than the Atlantic. It falls to cousin Peter Phillips to fill the physical and emotional gulf between the two as they walk apart behind their grandfather's coffin.