Stepping onto Socotra Island is like setting foot on an alien landscape.
踏上索科特拉岛，人仿佛就进入了一个世外之境7.TciRUyM)F57HFjK。
This place is one of the most isolated landforms on Earth.
这里是世界上最人迹罕至的地方之一PiW&+fwFuI。
Located in the Arabian Sea, south of Yemen, the island separated from the mainland of Africa between six and seven million years ago.
索科特拉岛坐落在也门以南的阿拉伯海上，六七百万年前，这里还和非洲大陆连在一起#|gGl#(o_BZuE,3#-3dx。
There are nearly 700 endemic species on Socotra that are found nowhere else on the planet.
岛上有将近700种别处无从得见的动植物FInN6Nn~3!G[)L。

Perhaps the most head-turning of Socotra's species is the dragon's blood tree.
索科特拉岛最引人注目的恐怕要数龙血树了]1]L]-e0EEo。
These strange umbrella shaped trees dot the island.
这些奇怪的伞状树散落在整座岛屿上xp)X=a%o5f=Xli。
Its top-heavy design is actually an adaptation to Socotra's arid climate.
为了适应索科特拉岛干旱的气候，龙血树进化出了这些硕大的树冠@0CM@Y=Kx)MJE0。
The large green crown provides shade which reduces evaporation in a place that sees very little rainfall.
在降雨极少的岛上，这些巨大的绿色树冠能够为树干庇荫，减慢蒸发sVUvEqDo=rSb+_Vh。
This otherworldly gem has experienced threats to its ecology from human development.
随着人类的发展，索科特拉岛这一梦幻般的珍宝也已面临着生态破坏的危险，
But the United Nations stepped in in 2008 designating it a UNESCO heritage site.
所幸的是，2008年联合国将这里列入了世界遗产名录w+SXkKIsPFTwhBl#6+7(。