(AGI) Mexico City, Sept 20 - Italian film legend and beautyicon Sophia Loren turned 80 on Saturday. Her birthday is beingcelebrated throughout Italy and in Mexico City, where she is tospend the day. Telecommunications magnate Carlos Slim, one ofthe richest men in the world, has organised a gala in herhonour. On Thursday she opened an exhibition at his privatemuseum entitled Yesterday, Today, Tomorrow, which is the nameof a memoir she brought out to mark her birthday. . .