My issues are:
+ The perspective seems off (the people in the back look like they get too small, too fast)
+ The people in the foreground and the mountains in the distance are in focus more than the people & signs/buildings in the midground.
+ This just looks like an unlikely crowd size. I understand that people will come from around the area for the town's 4th of July parade, but this looks like Times Square on NYE, not Podunk, USA.