The Circus by the Numbers

Last night, Britney announced that she's extending her 'Circus' Tour for eight more European dates.

Have you ever wondered what goes into making a production as dazzling as Britney's concert?

Just a few of the staggering statistics include:

*Nearly 50 dancers, magicians, clowns, and acrobats
*A traveling staff of over 200
*$50 million
*60 tons of equipment
*34 trucks

Source: BritneySpears.com