Frozen sunken cathedral rubble stair

Stair of fallen masonry 2.2 m wide against a sunken cathedral's north wall, from a rubble landing at the waterline up 47 steps to the roof parapet. Frosted stone, snow on the roof, icicles from the eaves and ice at the waterline, a cold blue glow below.

19.40 × 4.10 × 10.50 m