The Huffington Post is celebrating 10 years in style.
On Thursday night, New York City's iconic Empire State Building turned its lights "HuffPost green" in honor of The Huffington Post's 10th birthday.
HuffPost's co-founder and Editor-in-Chief Arianna Huffington did the ceremonial honors by pulling the light switch, turning the building green for the night.
The Empire State Building is one of the most-photographed buildings in the world, but you've probably never seen it like this. Getting up close and personal with the (temporarily) green giant takes going into a helicopter. It's even more majestic from above: