EditorialPedestrians enjoy an unseasonably warm winter day at Kalemegdan Park in central Belgrade, Serbia, Jan. 5, 2022. (Marko Risovic/The New York Times)
EditorialPedestrians enjoy an unseasonably warm winter day at Kalemegdan Park in central Belgrade, Serbia, Jan. 5, 2022. (Marko Risovic/The New York Times)