trees of the curonian spit in winter, kaliningrad region, russia

activity arborist area baltic coast construction creating curonian depends deposition development devoted disappear dune dunes dynamic ephemeral erode europe eventually existence features fixing geologically german govern height heritage highest historic honor inherently inside kaliningrad lithuanian most moving named narrow national natural nigsberg oblast park point processes russia sediment shallow shoal shoreline source south speaking study threatened toponyms tourism transport unesco west wilhelm world zelenogradsk