Yosemite National Park, California.
National parks are places to see roaming bison, flying eagles and...drones?
Over the last year, more and more visitors have been flying unnamed aircraft with cameras around these open spaces, buzzing visitors and wildlife alike. Big national parks like Yosemite, Zion and Grand Canyon have banned them, but some argue the bans are on shaky legal territory.
For more about the future of national parks and drones, we turn to Gregory McNeal, a law professor at Pepperdine University's School of Law.