Part 2 of "Masakado's Mound" in Otemachi, central Tokyo.
The mound honoring 10th-century warrior Lord Taira no Masakado faced repeated crises after Meiji. Shrine control tightened; shrines honoring Masakado moved from Kanda Myojin to Masakado Shrine (Kashiwa, Chiba)—a dedicated shrine, but lower rank. For a salaryman, a "demotion." The mound remained, but collapsed in the Great Kanto Earthquake of Taisho 12 (1921) on September 1; a temporary Ministry of Finance building followed. In Taisho 2 (1926) June, the finance minister died in office and staff deaths continued—"It's a curse," people said; the building was demolished, memorial rites held, and the mound survived. After World War II, GHQ occupied the area (Finance Ministry relocated); parking or construction began, but worker deaths halted work after locals petitioned that an important grave lay here. In Showa 34 (1959) the city released land to private hands; local management continues today. Hence the mound is famous among occult fans as a "haunted spot." An "urban legend" says the adjacent building has no windows overlooking the mound—I walked five minutes from Takebashi and Palaceside Building to check. As the photo shows, the front building had windows. Blinds were firmly closed, though.
Well, legends mix fact and fiction. How much of the various tales is true... Oops—better not say anything irreverent.