Prompt
"Generate an image of a scenic 18-mile asphalt hiking trail, lined with trees and surrounded by lush greenery, winding its way along the Potomac River, passing through Theodore Roosevelt Island and Mount Vernon Estate, with cyclists, walkers, and runners enjoying the trail, set in Northern Virginia, near Arlington, Alexandria, and Fairfax County, with a bridge connecting to Washington, D.C. in the background, in a realistic style."