Queen has secret tunnel in Buckingham Palace that leads to one of London's most famous bar

Queen's coffin arrives at Buckingham Palace

Double rainbow appears over Buckingham Palace as crowds gather to mourn Queen Elizabeth II

Buckingham Palace remains busy following Queen's death

Queen Elizabeth II leaves Buckingham Palace for final time

Senior royals land at Aberdeen Airport to be with the Queen

Queen Elizabeth’s coffin carried by hearse to her home of 70 years Buckingham Palace

The Queen Will Not Return to Buckingham Palace

Buckingham Palace: Flag at half mast, easel put out and God Save The Queen sang

Queen Elizabeth II's coffin arrives at Buckingham Palace

London's Buckingham Palace opens iconic balcony room to visitors for first time

A busy day for The Queen in Edinburgh

Crowds at Buckingham Palace cheer for Queen Consort

Buckingham Palace, The Royal Residence

Queen Elizabeth II's funeral cortege arrives in Edinburgh from Balmoral

Queen Elizabeth death: Royal superfan ‘Union Jack Man’ will miss Her Majesty

Queen Consort waves to crowds as she arrives at palace

King and Queen leave Buckingham Palace after historic day

The Queen leaves Buckingham Palace for the last time

The Queen's coffin is transported from Buckingham Palace to Parliament in military procession

Double rainbow appears over palace after Queen’s death

Going to London for the Queen's funeral: All you need to know

Queen dies aged 96: Flowers laid outside Windsor Castle

King Charles III is greeted by crowds at Buckingham Palace

Royal Family attend service for reception of Queen’s coffin

Queen Elizabeth pulls out of royal Garden Parties, Buckingham Palace confirms