ACTOR PERFORMS WITH FIREWORKS Hooded actor from Spain's Xarxa theater group perform with fireworks during the play 'Le Foc del mar' (The Fire from sea), in Museums square April 17, at the 10th Caracas International Theater Festival. 50 groups from at least 20 countries are performing at the festival, which runs through April 23< CARLOS HERNANDEZ; THEATER FESTIVAL 18/04/1995