In the center of the capital, on a picturesque hill above the Moskva River, the unique ensemble of the Kremlin, which has been created by the talent of generations of generations, is rising. The first mention of Moscow, we find in the documents of 1147, but excavations in the Kremlin show that there were already settlements in the second half of the first millennium BC. Under Prince Ivan Kalita in the years 1339-1340 from the powerful oak trunks were builtnew walls. And already with Dmitri Donsko, when the Muscovites were preparing for a decisive struggle against Tatars, walls and towers. The Kremlin was laid out of a white stone outside Moscow. "The reigning city" was called Moscow under Ivan lll(Латинская 3), when it became the capital of the united Russian state in the second half of the 15th century. By this time is the largest construction of the Kremlin. 
Three corner towers are round. The first of them - Vodovzvodnay, near B. Stone Bridge. It is named so because it was the first water pipe  in Moscow to irrigate the Kremlin gardens. In the upper floors of the tower there were huge thanks for storing water. The tower was built in the late 1480s. Simultaneously with it, the secon corner tower was built - Beklemishevskaya, or Moskvoretskaya, near the Moskvoretsky bridge. According to legends, it received its name after the boyars Beklemishevs, yard problems nearby. The third corner tower - Sobakin, or Angular Arsenalnaya, near the Kremlin passage, closely adjoins the Arsenal, was built in 1492.