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There are
that a big part of East Africa is breaking away from the African
. Scientists studied a deep crack that runs along a
part of Zambia. The crack is called a
. It is a fault in the
under Earth's surface. A geologist from Oxford University is studying it. He believes
shows that a giant piece of land is breaking away. He wrote: "There is
that the fault... is
and therefore the Southwest African Rift Zone is too." He warned that this may be an
sign of the break-up of
-Saharan Africa.