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With a clear view of the endless plateau below, vultures are quick to spot any opportunity.
從高空俯視著廣袤無垠的高原，禿鷲們不會放過任何一個機會。
A dead yak has drawn a crowd. Vultures aren't famous for their table manners. The vultures do well here, as the vast Tibetan wilderness is home to many large creatures.
一頭死牦牛吸引了一群禿鷲前來，禿鷲的就餐禮儀并不好，但在這里禿鷲們卻表現(xiàn)的很好，因為廣闊的西藏荒原有足夠多的大型生物。
Living in herds of up to 200 in the remoter corners of the Tibetan plateau, wild yaks travel large distances, grazing on the alpine tundra.
居住在西藏高原偏遠角落的野牦牛群居的數(shù)量甚至可能達到200只。他們走過遙遠的距離來到高山上的凍土地帶尋覓食物。
Strong and secure over mountain passes and rivers. The yak is in its element at altitude so much so that it gets sick if it goes below 3,000 metres.
依靠著山口和河流，牦牛在這里強大而安全。它們于這個海拔的環(huán)境是如此地連為一體，以至于如果他們到達海拔3000米以下，身體就會變得虛弱。
Standing two metres tall at the shoulder and weighing more than 800 kilos, the wild yak is both formidable and aggressive.
牦牛身高2米，體重超過800千克，不僅自身強大還很好斗。
But without this fearsome creature it's unlikely that humans would have survived up here.
但若沒有這種看起來嚇人的生物，人類就不可能在這里生存。
Once domesticated, the yak is an amazing animal, providing the Tibetans with transport, food, wool for clothes and tents, and manure for fuel.
一旦被馴服，牦牛會讓人驚異萬分。它為藏民提供運輸，食物做衣物和帳篷的毛，還有可以做燃料的糞便。
