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Season 5
Mark Addison investigates the mysterious arrival of sixty blacktip sharks.
Mark Addison investigates the mysterious arrival of sixty blacktip sharks.
A look at the unusually high death rate among elephants at the Periyar Wildlife Sanctuary.
A look at the unusually high death rate among elephants at the Periyar Wildlife Sanctuary.
A look at a series of explosive fires that have ravaged pig barns across North America.
A look at a series of explosive fires that have ravaged pig barns across North America.
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