warsaw barbican from miedzymurze jana zachwatowicza, poland

attic attraction barbakan barbican bastei blue brick complex defensive encircled europe few fortification fortifications fortified gate grass green historic house jana located major mazovia mazowieckie miedzymurze moat network new nowomiejska old once one outpost path plants podwale poland polish reconstructed red relics remaining semicircular sky spring that tourist town towns unesco wall warsaw warszawski zachwatowicz zachwatowicza