Marcelo Bezos has been collecting pennies for the past 35 years, and when his father-in-law died from colorectal cancer, he decided to do something to raise awareness for the disease: building a record-breaking pyramid out of pennies!

Here's the video clip of the Penny Pyramid Project from 2006 - the structure contained some 280,000 pennies (Marcelo's most recent pyramid contains over 435,000 pennies):

[YouTube - turn your speakers down if you don't like O Fortuna from Carl Orff's Carmina Burana, the techno version]

Thanks Marcelo!