Ключевые слова: author, bearded statue, blue sky, cityscape, clouds, commemoration, commemorative art, communal space, concrete, contemplative, cultural landmark, daylight, economist, european history, figure, german culture, germany, granite, historic, historic figure, historical figure, iconic, ideology, influence, intellectual, karl marx, landmark, legacy, marxism, outdoor, philosopher, philosophy, political history, political thinker, prominent, public art, public space, revolutionary, revolutionary leader, scholar, sculpture, social science, socialism, socialist, statue, stonemasonry, tourism, tourist attraction, trier, urban scenery,