A couple walk in front of the painings 'Monk By The Sea', left, and ' Abby Among The Oaks' during a press preview of the exhibition 'Caspar David Friedrich. Infinite Landscapes' at the Alte Nationalgalerie museum in Berlin, Wednesday, April 17, 2024. The exhibition marking the 250th birthday of Caspar David Friedrich and will run from April 19 until August 4, 2024. (AP Photo/Markus Schreiber)