observation tower wietkiekenturm at wietkiekenberg near caputh, schwielowsee, lake schwielow, brandenburg, germany

wietkiekenturm wietkiekenberg caputh schwielowsee lake schwielow brandenburg tower architecture observation building tourism germany landmark view sky high nature tree landscape travel park outdoor construction attraction europe viewpoint platform monument beautiful modern stairs green city forest mountain brick sight urban architectural preservation order protected overlook skyline berlin winter panorama meadow