Yup, walls of ice, that's it. https://upload.wikimedia.org/wikipedia/commons/1/13/Orlando-Ferguson-flat-earth-map_edit.jpg https://upload.wikimedia.org/wikipedi

Yup, walls of ice, that's it. https://upload.wikimedia.org/wikipedia/commons/1/13/Orlando-Ferguson-flat-earth-map_edit.jpg https://upload.wikimedia.org/wikipedia/commons/1/13/Orlando-...