Square editorial product photograph of Petropavlovsky sourdough bread for Utrenniy Khleb in Saint Petersburg, substantial rustic loaf with scored flour-dusted crust and one thick slice, resting on unbleached baking paper, warm natural daylight, close tactile detail, no lettering.. Clean modern product/concept photograph on neutral background. Soft studio lighting, minimalist composition, Apple-style product photography. Sharp focus, slight shadow. Business: Пекарня «Утренний хлеб». No text, no letters, no watermarks, no logos. Editorial photography quality, natural light, no generic AI look.