Map of firebombing damage, centered on the Koto-ku area of Tokyo. (For reference, the Imperial Palace is at the extreme left of the photo.) In this image, Koto-ku is bound by two rivers: the Sumida-gawa to the west and the wide Arakawa to the east.
See more at: Tokyo’s archaeology of World War II 東京の第二次世界大戦の考古学 (WW2 sites)