New York: The 2,800-strong Facebook workforce has another reason to press the 'like' button: The social networking site has moved some of them into a 430,000 sq ft sprawling complex with a nine-acre roof garden in California, the mere sight of which could leave anyone out of breath – literally.

Designed by Canadian-American architect Frank Gehry, the new Facebook building, called MPK 20, houses sweeping murals and art installations.