A glacier cave mouth fills the frame, its blue-white walls ribbed with hundreds of thin meltwater flutes, black volcanic grit banded through the ice in fine horizontal lines. Every flute held sharp. One figure alone in red stands in the mouth, tiny. Soft light entering from behind. crystal-clear air, no haze, hard high sun, very high contrast with deep black shadow present, no grain. full rich colour across the whole frame with every surface carrying its own real hue, but nothing pushed to maximum intensity and nothing neon or electric, colour deep and true rather than bright, highlights clean and small with no blown-out white areas, deep shadow present