Understand Alcatraz’s D‑Block: isolation conditions, rules, and what visitors can still see today.

Isolation was a tool and a test.
On the audio tour, pause in D‑Block and listen past the narration to the building itself.

Alcatraz gününüzü daha kolay, zengin ve unutulmaz kılmak için — çoklu ziyaretlerden damıtılmış net ipuçları.
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