but the deluge of tears brought on by the smoke seemed to have a healing effect on his blindness , because he could now discern the vague shape of the smoke and pedal around it , and when he looked down to avoid the glare of the moons he saw a great mass of fire whence the smoke rose , and on one side of it a great structure hed seen in plenty of dreams to recognize as a castle or fortress which meant that people must live there .