The building at 77 Heilongjiang Street presents an architectural deception. With its red pillars, green glazed tiles, and moon gates, the structure suggests a traditional Chinese pavilion or a mid-century cinema. In fact, it was originally constructed in 1954 as a club and auditorium for the Chinese Academy of Sciences. Yet, in the summer of 1956, this venue for leisure transformed into a theater of law. The Special Military Tribunal for the Trial of Japanese War Criminals convened here, repurposing the stage to adjudicate the atrocities of the Second World War.

Inside, the layout retains the tension of that summer. The main hall is vast and high-ceilinged, designed to carry the projection of a film or the resonance of a lecture. In 1956, these acoustics amplified a different sound: the quiet, steady rhythm of confession. Unlike the defiant denials often heard in post-war tribunals, this room witnessed generals and soldiers of the Imperial Army bowing their heads. Lieutenant General Suzuki Hiraku and thirty-five others stood at the simple wooden witness stand and detailed their orders for biological warfare and mass execution. The horseshoe arrangement of the seating placed the accused in direct sight of both the judges and the public gallery, creating a space where evasion was impossible.

The physical artifacts on display—the velvet drapes, the heavy wooden furniture, the microphones—anchor the visitor in the specific gravity of the moment. They frame a judicial anomaly where the victors prosecuted the vanquished with a focus on reform rather than vengeance. The tribunal handed down prison sentences rather than death penalties, a decision that prioritized the acknowledgment of truth over the satisfaction of the gallows.

Today, the hall stands silent. The rows of empty seats force the visitor to occupy the position of the witness, the judge, or the observer. The building does not merely record a legal proceeding; it preserves the precise moment when enemies became humans again. It suggests that the most durable architecture of peace is built on the uncomfortable foundation of admitted guilt and unexpected clemency.