Remains of the Palestra at Olympia (Peloponnese). The arena was the wrestling school in ancient Greece. There they practiced the events that did not need much space, as wrestling and boxing. The arena worked independently or as part of the public gyms.
Greek actress Ino Menegaki (R), playing the role of High Priestess, lights the Olympic flame during the torch lighting ceremony of the London 2012 Olympic Games at the site of ancient Olympia in Greece May REUTERS/John Kolesidis