The letter states that "The work will include aerial work with both camera and military helicopters, large scale pyrotechnics, prop guns and squibs, and large lights. We are working with the city to close 3rd Street from Hayes to Polk and Polk Street from 3rd to 1st 7pm - 6am all three days. This will help us maintain a safety perimeter for our work. Local traffic and emergency lanes will be kept open at all times."
source http://www.comics2film.com/index.php?a=story&b=33525
