No, this isn’t the plot of-Bioshock Infinite-come to life.-IFLScience brings us word that thousands of people in China this week reported seeing a large “floating city” in the sky that actually turned out to be a Fata Morgana, which is a rare type of mirage. FROM EARLIER:-In pictures: iOS 9 vs. Android 6.0 Marshmallow user interfaces As you can see in this news video, this particular mirage is absolutely massive and really does look like a giant city that’s floating in the clouds. But how is this possible? This page from San Diego State University offers a nice introduction to mirages and explains how giant mirages such as this one are formed. “[Mirages] are-real phenomena of atmospheric optics, caused by

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