semi-caponier on popov island in peter the great bay of the sea of japan

garden flower ruins plant waterway tree village shrub wall yard grass building transport woodland farm jungle agriculture soil track archipelago army bay border caponier city coast concrete defense district east empress eugenia far forest fortification fortifications frontier island japanese krai line military peter popova primorsky primorye protection route russia sea semi-caponier settlement soviet starka strait structure great tourism trail travel vladivostok