karlovac city center, inside six-pointed star-d renaissance fortress built against ottomans, croatia. regular plan.

aerial architecture austrian building built carlstadt center centre city confluence croatia culture defence dobra drone europe european fort fortification fortress habsburg helicopter historical ideal inside karlovac karlstadt korana kupa layout logical military monarchy mreafrac34 nica orthogonal ottomans outpost plan pointed red regular renaissance river roofs shape six sixpointed square star starshaped streets tiled tourism town travel view walls