Synopsis

The episode preceding the finale opens in the cedar forests of the Atlas Mountains, a region where Barbary macaques have found themselves isolated from other primates by the encroaching Sahara. Aerial views reveal a landscape dominated by rock, stretching across the desert. Here, Grévy's zebra, addax, and naked mole rats eke out an existence on the desert's margins. Millions of barn swallows are compelled to traverse the Sahara during their migrations, gathering at a tainted oasis to feed on fli