poster on a wall in a hallway in Central Jakarta, Indonesia

poster on a wall in a hallway in Central Jakarta, Indonesia. The poster features photographs of seven men in black and white, accompanied by text in Indonesian. The text translates to "You must know!". The poster appears to be about a group of national heroes, with each man's name listed below their photo. The men are all wearing suits and ties. The hallway is lit and has a tiled floor. The wall is painted white. The doorway is framed with yellow trim and leads to another room with a tiled floor and a wooden door with glass panels. The image is taken from the perspective of a person standing in the hallway, looking towards the poster.