Big
Ben
is
one
of
the
most
famous
landmarks
in
the
world
.
It
is
the
____________________
tower
.
The
name
Big
Ben
is
often
used
to
describe
the
clock
tower
that
is
part
of
the
Palace
of
____________________
.
Officially
"
Big
Ben
"
does
not
refer
to
the
clock
tower
but
instead
to
the
huge
thirteen
ton
Great
____________________
.
The
clock
tower
is
now
called
The
____________________
Tower
.
Big
Ben
chimes
every
____________________
minutes
and
the
sound
can
be
heard
for
a
radius
of
up
to
5
miles
.
The
clock
became
operational
on
7th
September
____________________
.
The
Great
Bell
was
____________________
after
Sir
Benjamin
Hall
,
First
Commissioner
for
Works
1855
-
1858
.
