On the screens at the Control Centre in Athens, the symbols representing aircraft form an ever denser network. At the height of the summer season, air traffic controllers are called on to manage thousands of flights in Greek skies that seem to be reaching the limits of their capacity.
Olga Toki, vice-president of the Hellenic Air Traffic Controllers Association, paints a picture of intense strain: Traffic is so heavy, she says, that at certain times it is hard to find any additional space for new aircraft.
