Las Vegas (AP) - Real volcanos may take millennia to form, but in Las Vegas they can take just 20 years to look dated. That's what The Mirage hotel-casino concluded before it mounted a USD 25 million facelift of its iconic erupting volcano on the Las Vegas Strip. The faux rock fountain first erupted in 1989 and its bursting spray of water lighted red to look like lava is among the city's classic sights for strolling pedestrians.