NATURE | Kalahari: The Great Thirstland | A surprising resi

Sealed in a protective suit of his own design, an African bullfrog surfaces from deep underground. From Nature's KALAHARI: THE GREAT THIRSTLAND, airing JULY 8th ON PBS (check local listings.) Shot in high-definition, this film by renowned naturalist filmmaker Tim Liversedge captures the astonishing ecological spectacle of Kalahari.

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