The Kremlin is a group of buildings located in the heart of Moscow. It is the symbol of the Russian Federation and the seat of the presidential palace. (1) The Kremlin means "inner city" in Russian. In Mongolian, it means "fortress". Located in the most central part of the Russian capital, the Borowitski Mountains are adjacent to the Moscow River in the south, Alexander Rowski Garden in the northwest, and Red Square in the southeast. The walls are 2235 meters long, 6 meters thick and 14 meters high. There are 18 towers on the walls. They are scattered on the walls of the triangular palace. Among them, the most spectacular and famous one is the Savior Tower with bells. The five largest gate towers and arrow towers are equipped with ruby pentagrams, known as the Kremlin Red Star. The Kremlin enjoys the reputation of the eighth wonder of the world. Moscow Kremlin is the symbol of Russia, one of the largest buildings in the world, and a treasure house of historical, cultural and artistic monuments.