Donskoy Monastery - Credit: Wikimedia Commons
Donskoy Monastery () is a major monastery in Moscow, founded in 1591 in commemoration of Moscow's deliverance from the threat of an invasion by the Crimean Khan Kazy-Girey. Commanding a highway to the Crimea, the monastery was intended to defend southern approaches to the Moscow Kremlin. Read more on Wikipedia
Source: en.wikipedia.org