Welcome Center at Joplin, Missouri was the neatest one we'd seen on the trip (and we certainly did not stop at them all). Welcome Center at Joplin, Missouri was the neatest one we’d seen on the trip (and we certainly did not stop at them all). Technical Details Camera: iPhone 4 Taken: June 25, 2011 Focal length: 3mm Aperture: f/2 Exposure: 1/2,742 second ISO: 80