The Kremlin was separated from the walled merchant town (Kitay-gorod) by a 30-meter-wide moat, over which Saint Basil's Cathedral was constructed during the reign of Ivan the Terrible.
Kremlinul era separat de orașul comercial (Kitai-gorod) de un șant cu fortificații de 30 metri lățime, peste care a fost construită Catedrala Fațetei în timpul lui Ivan cel Groaznic.