The house of the legendary Hattori Hanzo (1541-1596) once sat at the foot of this small wooden gate. Hanzo was a legendary leader of Ieyasu Tokugawa's private corps of spies and infiltrators—and assassins, if need be. They were the menacing, black-clad ninja—perennial material for historical adventure films and television dramas. The gate is a minute's walk from the subway.
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