Kremlin walls and towers were built between 1485 and 1516 by the architects Antonio Friazin, Marko Friazin, Pietro Antonio Solari and Aleviz Friazin the elder; Ancient wall of Moscow, Kitai-Gorod Wall by the architect Petrok Maly; St. Basil built 1555 to 1560 and designed by Barma and Posnik I Akovlev; Spassky Tower built mid 17th century by Bashen Ogurtsov; Lenin's Tomb built 1924-1930 by Alexei Shchusev; Annunciation Cathedral built 1484-1489; Assumption Cathedral built 1326-1475 begun by Aristotle Fioravanti; Granovitaya Palata built 1487-1491 by Marko Friazin; Tsar Bell cast 1733-1735 by Ivan Matorin and his son, cracked in 1737; Tsar Cannon cast in bronze, 1586 by Andrei Chokhov; Former Senate Building 1776-1788 designed by Matvei Kazakov