张羽伟

回复 :DESCRIPTIONThis is the Yellowstone you never knew.It is a story newly told.With a fresh voice, tuned to the experience of extremes.With fresh visuals, captured with revolutionary new cinematic tools and techniques.With a sense of intimacy that immerses you, with an epic scale that will overwhelm you, with a passion that is the measure of the ultimate wilderness.This is a land of fire and ice, a world as ancient as it is alive: a vision, an adventure, a crucible of unimaginable forces.This is Wild Yellowstone.EPISODE GUIDEWild Yellowstone: The Frozen FrontierBeavers and grizzly bears retreat under cover from the endless blizzard, while wolves, red foxes and river otters face winter head on.Wild Yellowstone: Grizzly SummerIn summer, Yellowstone transforms into a wildlife paradise with a cruel dark side as grizzly bears emerge from mountain dens to roam for food.Wild Yellowstone: She WolfAn epic biopic of one female wolf, following her against-the-odds rise to a position of extraordinary power for a female: leader of her pack.

池贤宇

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回复 :全世界的科学家都在努力研究如何与蝗虫作战，力求揭开关于这种昆虫的长期谜团，其中许多其实都是误解。对于蝗虫，我们到底了解多少？在什么情况下，性情温和、喜好独居的"蟋蟀"会忽然变形而且数量激增，从而发展成自然灾害，并酿成人类的饥荒？本辑节目所提供的信息将帮助我们更好地了解近期发生的一些蝗灾。