Human mattress dominoes break world record
28 February 2012 Last updated at 23:29 GMT
The world record for human mattress domino toppling has been broken in the United States.
There were 850 people in total taking part in the event in New Orleans.
A Guinness World record representative was on-site to judge the event.
Until now, the largest human mattress domino involved 550 people, a record achieved in 2011 in Kortemark, Belgium.