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A single tree can suck up
hundreds of tons of water each year
But the trees can't use all this water
so, much of it returns to the air as vapor,
forming mist and clouds.
In the Amazon, the largest unbroken stretch
of rainforest in the world,
half of all the rainwater that falls,
comes from clouds produced by the trees themselves.
With so much rain, it's not surprising
that many of the worlds largest rivers
are found in rainforests.
Inside the forest, the high humidity
creates the perfect conditions
for a strange world, where life is built on decay.