dancing forest on the curonian spit, russia

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