[Lovely-Day-For-A-Guinness]

Best hope is that the walls don’t collapse inward from the forces the flying buttresses are bearing upon them. Now that the roof structure is gone, the forces wanting to spread the walls outward is also gone.

[Attention Surplus Disorder]

But in most cases; the mortar holding stones together where there has been a good hot fire inside cannot be depended upon for anything near its original strength