奇幻沙漠 Desert
A large and growing part of earth's land mass is covered in desert - each one widely varied in composition and dryness. Wildlife species have adapted in different ways to these different arid lands especially to get and conserve water. Some are physically desert-models, like camels, others just changed their diet and behavior. Most live mainly at night, when it's cooler. The largest desert is northern Africa's Sahara, US size and extremely sandy, the result of grinding erosion of mountains. Short moist moments or periods are taken intense advantage off, leading to such extravaganzas as the locust swarm.
陸地的表面大約30%部分是沙漠,這些地區雖然嚴重缺水,生態系統卻異常的多樣。揭開沙漠地區的生存秘密,體驗這種動態系統中短暫的自然本性;觀看撒哈拉將近一英里高的沙暴;僅會存在一天的沙漠河流的蜿蜒;在戈壁灘中生存的大夏人駱駝會從雪中得到濕氣;阿卡塔馬沙漠中,駱馬從仙人掌的脊背上舔舐露水;在美國的死亡谷,短暫的花期引發了65公里寬、160公里長的蝗蟲群;飛躍納米比亞沙漠的獨特的航行向我們展示了大象為尋找食物而進行的長途跋涉;沙漠獅子在搜索著徘徊的羚羊……