Pedestrians
walk
through
a
narrow
alley
that
frames
the
Torre
del
Mangia
on
the
Piazza
del
Campo,
the
principal
public
space
of
the
historic
center
of
Siena,
Tuscany,
Italy
on
May
28,
2018.
The
public
meeting
place
is
said
to
be
one
of
Europe's
greatest
medieval
squares.