If the tree was rotted inside it will burn like that. Easy to have broken down rotted wood burn and smolder. I deal with logs sometimes and I have seen rotted ones burn inside like that. Outside layer of the tree is different from the inside.
If the tree was rotted inside it will burn like that. Easy to have broken down rotted wood burn and smolder. I deal with logs sometimes and I have seen rotted ones burn inside like that. Outside layer of the tree is different from the inside.