ABC's most memorable photos of 2012
Credit: (Bjoern Lauen/National News/ZUMAPRESS.com)
he world's tallest building, the Burj Khalifa, juts above the fog in what looks like a science fiction scene in Dubai, UAE, Oct. 19, 2012. A natural phenomena occurs every year around this time as the temperature begins to drop and humidity meets cooler air, forming the rolling fog.
