sidewalk in front of a building

sidewalk in front of a building. The sidewalk is made of gray concrete and has a manhole cover in the center. The building is made of stone and has a large glass door. There is a sign on the side of the building that says "no entry." The entrance is empty. There is a shadow of a person standing in front of the door. The location is in Warsaw, Poland, at coordinates 52.247, 21.014, near the entrance of the Palace of Culture and Science.