Have you ever wondered..............?
How a stage is set up for a Super Star "on tour" 
?
This time lapse film shows ONE of Helene Fischer`s crew, setting up , testing, and dismantling, transporting, and re staging during one of her tours in Germany in 2012.
She has 4 stage sets, each requiring 10 HGV trucks when she goes "on tour",.. one being setup... one en-route to the next gig,,,,,,, one being taken down,,,,,,,, and the one she is actually using... ( all done in rotation, of course ).
Her tour concerts are amazing... ( check out https://www.youtube.com/watch?v=lL_dwqIWb3E for two hours of pure entertainment)..
Berlin Olympic Stadium... ( from Wiki ) Helene Fischer performed on July 4 and July 5, 2015 in front of a sold out crowd of 120,000 people.