In four days, thousands of people will gather on Jacksonville Beach to watch the world famous Navy Blue Angels in the sky. But after Hurricane Matthew badly battered Northeast Florida’s beaches, leaders are concerned the large crowds will continue to damage what’s left of the dunes. City leaders want people to come out to the beaches but they’re putting new protective measures in place. They definitely don’t want people to be deterred from coming to the show, but they do want them to be deterred from walking all over the dunes. There are areas with no dunes left. Jacksonville Beach leaders said this year it’s more important than ever to make sure people stay off the dunes. City workers were busy blocking off walkovers in Jacksonville Beach on Tuesday and putting up “do not enter by police order” signs to keep people from entering certain walkovers. But Mayor Charlie Latham said they will have some walkovers open for this weekend’s Sea and Sky Spectacular. “We’re asking people not to walk through the dunes but walk through the first available crossover if you’re gonna go out on the actual beach,” Latham said. Every year, tens of thousands of people scour the [...]