(In view of the fact that many of the palaces in the Asuka period were destroyed by fire, there is an opinion that when the people were strongly dissatisfied with the government, they expressed their wishes by setting fire to the imperial palaces.)
（飛鳥時代の宮の多くが火災に遭っていることから、民衆の中に統治への大きな不満がある時は、天皇の宮へ放火することで意思表明していたのではないか、とする説がある。）