Queen Elizabethis opening up the doors to her London home.

From July 20 to Sept. 29, Buckingham Palace will open to the public. Guests will have a chance to view 19 State Rooms, including the White Drawing Room, of which the Royal Collection Trustshared a photo on InstagramThursday.

Described as “perhaps the grandest of all the State Rooms in Buckingham Palace,” the White Drawing Room is often used for audiences with the monarch and small gatherings. Ahead of larger events, the room is used for key guests to be presented to the Queen before everyone heads into a bigger State Room to mingle.

The room also has a secret straight out of a James Bond movie: adoor disguised as a mirror and cabinet, which the Queen uses to enter!

The White Drawing Room has been the setting forQueen Elizabeth’s annual Christmas broadcastsas well as the backdrop for formal family photos.

Royal Collection Trust/Instagram. Inset: an Leslie Macdonald via Getty

White drawing room buckingham palace

John Stillwell/AP/REX/Shutterstock

Royals, London, United Kingdom - 25 Dec 2018

But this isn’t the only White Drawing Room! Windsor Castle and Sandringham Estate both have rooms with the same name. In fact, the room at Windsor Castle served as the setting forPrincess Eugenieand Jack Brooksbank’sformal wedding portraits, while the White Drawing Room at Sandringham Estate is where theroyal family gathers for tea and snacks on Christmas Eve.

Alex Bramall/PA Wire

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Last summer, the royal family’s Instagram accountreleased a high-speed tourof the route staff members would take to navigate from the kitchens to the Palace’s Chinese Drawing Room. After rushing through the kitchen doors and down the basement, staff members hop on an elevator before navigating the famous corridors to reach their destination.

“In the future, we’ll be using the basement routes and then up through a new lift at this level,” architectural lead Tony Barnard explained, cutting down the complexity of the current course.

source: people.com