russia, kaliningrad, king's gate, travel landmark

vector illustration landmark baltic sea prussian history amber museum european architecture gothic spires hanseatic league immanuel kant road knigsberg gdansk northern crusades teutonic knights soviet world war ii production navel base fleet golden valley curonian spit vistula lagoon timber trade russian enclave fortress st petersburg tsar peter the great royal dynasty red army east prussia jewelry states castle kings coronation route culture literature seafood cuisine cathedrals kirov stadium football fans chernyakhovsk yantarny braniewo christianity conversion frederick duke albrecht brandenburg gate