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The underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime. Experts use cutting-edge technology to uncover new evidence.
The ‘Iceman' is the world's oldest and most perfectly preserved mummy. Cutting-edge forensic technology may unearth the mummy's darkest secrets.
The World Trade Centre's iconic twin towers were an engineering marvel. Experts use pioneering technology to examine their secret history.