Of course this was edited and intentionally put into a dark mode, but still there was this spot of sunlight directly illuminating only those flowers. Bokeh is typical for Carl Zeiss Jena Biotar 2/58mm.
Photo taken with Carl Zeiss Jena Biotar 2/58mm and Sony Alpha 7R Mark III ~F3.3, 1/1660 and ISO 800 on a Minitripod