Riddles
 
What
has
cities,
but
no
houses;
 
forests,
but
no
trees;
 
 
and
water,
but
no
fish?
 
A
map
What
is
harder
 
to
catch
 
the
faster
you
run?
Your
breath!
Which
three
letters
can
frighten
 
a
thief
away?
 
 
ICU