The Kronverk, is a ground fortification for the Sts. Peter and Paul Fortress in Saint Petersburg, in which country?
Peter and Paul Fortress The Peter and Paul Fortress is the original citadel of St. Petersburg, Russia, founded by Peter the Great in 1703 and built to Domenico Trezzini's designs from 1706 to 1740. In the early 1920s, it was still used as a prison and execution ground by the Bolshevik government.
Red Square Red Square (Russian: Кра́сная пло́щадь , "Krásnaya plóshchaď"; ] ) is a city square (plaza) in Moscow, Russia. It separates the Kremlin, the former royal citadel and currently the official residence of the President of Russia, from a historic merchant quarter known as Kitai-gorod. Red Square is often considered the central square of Moscow since Moscow's major streets, which connect to Russia's major highways, originate from the square.