Prompt
"Generate an image of a serene island in the Potomac River, with a mix of forest, marina, and wetlands ecosystems. The island, named after Theodore Roosevelt, features a memorial, a statue of the former president, and a boardwalk. In the background, the Washington, D.C. skyline is visible. The island has a foot overbridge and is accessible from Rosslyn, Virginia. The image should be realistic and showcase the island's natural beauty, with a style reminiscent of a landscape photograph."