Tomorrow's World Today: Temporada 7, Episódio 4
7 - 4: Digging For Dinner
George sends Greg to the World of Production to explore how phosphate and potash are mined…and why we should have a newfound appreciation for the complex world that's beneath our feet.
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| Hospedado por | Enviado por | |
|---|---|---|
| VidSrc | WatchSeries | 2 anos |