Corrupted hollow trunk wall stairs

Three curved timber flights that climb the inner wall of a round hall 14 m across, 2.1 m wide (room to pass and fight), 19 cm rise and 30 cm going, from 0.15 m to floors at 4.75, 9.35 and 13.95 m; thick treads on curved stringers, bark-covered root brackets into the wall and an inner handrail. Made for the hollow trunk tavern (attach_stairs). Plum-black timber on purple-black root brackets.

13.78 × 14.44 × 15.11 m