Grave of the Fireflies at 30

Last night I celebrated the 30th birthday (anniversary?) of Studio Ghibli's Grave of the Fireflies by watching it again.  It would easily show up in any discussion about "saddest" movies or even "hard to watch" movies.  The Japanese poster for the film sums it up, blurring the radiance of fireflies and US incendiary bombs above what appears to be two ha…