The Winter Palace Square (Palace Square) is the central square of St. Petersburg, surrounded by luxurious buildings from the Russian era. The north end of the square is the Baroque-style Winter Palace. The center of the square is built with Alexander columns of47.5 meters high, which was built to commemorate the victory of the 1812 rebellion against Napoleonic Wars. Above the column stands the bronze statue of the angel, said to be in the shape of Tsar Alexander I. The center of the column is a red granite about 4 meters in diameter. Surprisingly, although it weighs about 600 tons, the bottom is not fixed in any way, nor supported.