Ключевые слова: architecture, avenue, berlin, blue, building, europe, european, exterior, frederick, friederich, gardens, german, germany, great, green, haus, heritage, high, inside, interior, kaiser, klausberg, orangerie, orangery, outside, palace, park, potsdam, res, resolution, royal, royalty, sansoucci, skies, sky, spring, summer, tourism, tourist, tree, trees, unesco, world,