Huge
Wall
 
of
Trees
 
in
Africa
Screen 1 of 3
There are
plans
 
to
make
 
an
8,000 kilometre
wall
 
of
trees
 
that
will
cover
 
the
entire
continent of Africa.
 
 
It
would
go through
11
countries,
 
just under
 
the
southern
edge
 
of
 
the
Sahara desert.