Paris Olympics flame to be lit at Greek cradle of ancient games

Actress Mary Mina, playing a priestess, holds a torch with the flame during the final dress rehearsal of the flame lighting ceremony for the Paris Olympics, at the Ancient Olympia site in Greece (Thanassis Stavrakis/AP)

The flame that is to burn at the Paris Olympics will be kindled on Tuesday at the site of the ancient games in southern Greece.

Forecast cloudy skies could frustrate efforts to produce the flame in the customary fashion, when an actress dressed as an ancient Greek priestess uses the sun to ignite a silver torch.