For example, at dawn or dusk, when shooting towards the sun, the scene turns out to be very contrasting with a large difference in brightness between shadows and highlights.
Landscape photographs are often shot in difficult lighting conditions. But, if you just make a little mistake with the settings or get into difficult conditions, where you cannot do without a high ISO, a problem immediately arises.
Have you ever been confused by digital noise in your photo? It would seem like a great shot with good light. Removing noise from a photo using the example of Noise Ninja