Three thousand American flags along the Niagara River will help remind citizens across Western New York that freedom — one of the things we can all agree on — comes with a cost.

The Erie-Niagara Sunrise Exchange Club working with Healing Fields, a national organization that helps organize these “pop-up” installations, is bringing one to Gratwick Park in North Tonawanda Sept. 9 through 11.

“On the 15th anniversary of the 2001 attacks, the magnitude of loss is revealed by this solemn formation of flags,” according to the flag foundation’s website. “Terrorists mistakenly believed that their heinous act would divide us [...]