Skywriters Write Out the Value of Pi to 1,000 Places
The value of pi has been calculated to ten trillion places, so these skywriters in the San Francisco area have a bit more to go for their Pi in the Sky project. But keep it up, guys. You're doing great so far. Link...
https://www.neatorama.com/2012/09/13/Skywriters-Write-Out-the-Value-of-Pi-to-1000-Places/