Yes, by querying the official WeChat account of the Opera Hall of Tianjin Grand Theatre, we know that the entrances of the four audience seating areas A, B, C and D of the Opera Hall of Tianjin Grand Theatre are located on the 0-3 floors underground, so they are upstairs. Tianjin Grand Theatre, located in Pingjiang Road, Hexi District, Tianjin, is located on the east side of the landmark of Tianjin Cultural Center. It is adjacent to Tianjin Science and Technology Museum in the east, Tianjin Natural Museum in the west, Tianjin Library and China Theatre in the south, and Paradise Road in the north.