Swiss Alps Glacier Swim

a young woman with a bun swimming in a glacier lake in the Swiss Alps, viewed from behind. The photo was taken with a Nikon D850 DSLR camera with a 70-200mm lens at an f/4 aperture setting, 360 second exposure time, ISO 900 for strong contrast between the subject and background. The photo is very detailed, with sharp focus and a highly realistic style, fashion posture --ar 2:3 --iw 1.9 --v 6