Take another look @ images from the Pontiac, Michigan set of "Batman v Superman: Dawn Of Justice", including emergency vehicles, helicopters and a whole lot more:
"...in the film, the city of 'Metropolis' holds a big ceremony...
"...to unveil a collosal 'Superman' statue, two years after the events of 'Man of Steel'.
"...to cover a speech from the 'Mayor' and the great statue unveiling.
Click the images to enlarge...