photograph of an interior design for modern office room with a 5x5 foot built-in staff mailbox open grid in the center of a tall black painted wall. The mailbox shelves are painted in bright pink, yellow, blue, and green. There are no windows in the view. Remove any glass walls or storefronts. Place a modern sign-in table immediately in front of cubes. Two door are visible, but not on the same wall as the mailbox. There is a sign-in console in front of the staff mailbox. --ar 16:9