Green light bulbs were added to the "Welcome to Fabulous Las Vegas" sign on Wednesday in conjunction with  Tourism Ireland’s “greening” initiative. Other iconic structures around the world that got the greening treatment to celebrate St. Patrick Day: pyramids of Giza, Leaning Tower of Pisa and Christ the Redeemer statue in Rio de Janiero. Joined by showgirls were Clark County Commissioner Chris Guinchigliani, Kathryn Thomas (Irish TV Host of “The Voice Ireland”) and former Las Vegas mayor Oscar B. Goodman, Las Vegas Convention and Visitors Authority Host Committee Chairman). (Photo courtesy of Brian Jones/Las Vegas News Bureau)