Spiral Stairway from the Tower at St. Mary's Cathedral in the Old City of Gdansk, Poland. Semester at Sea, Summer 2014 Voyage. Image taken with a Fuji XT1 camera and 23 mm f/1.4 lens (ISO 1250, 23 mm, f/1,8, 1/60 sec). Raw image processed with Capture One Pro, Focus Magic and Photoshop CC.