interior of a grand building, possibly a museum or government building

interior of a grand building, possibly a museum or government building. The camera moves through a long hallway with a checkered floor of white, black and dark red squares. The walls are off-white with arched openings on both sides. Large, ornate light fixtures hang from the ceiling. A man in a blue jacket and khaki pants walks down the hallway. At the end of the hallway, a large arched iron gate stands open, revealing a view of the outside. People are standing near the gate, some entering or exiting the building. A crowd can be seen outside the gate in the distance.