Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/rec-232457",  "name": "D.H. Day Group Campground",  "description": "Overview\n\nD.H. Day Group Campground is a tent-only facility located in the heart of Sleeping Bear Dunes National Lakeshore, about one mile (1.6 km) north of the Dune Climb, where visitors can walk over miles of sand dunes. This year-round campground has four sites which accommodate groups of 7 to 25 people.\n\nRecreation\n\nD.H. Day Group is a hub for water activities. Motorized and non-motorized boating is allowed on the lake, with restrictions, and there is a boat ramp about six miles away by w...",  "url": "https://campertunity.com/listings/campgrounds/rec-232457",  "image": [    "https://cdn.recreation.gov/public/2019/10/07/20/15/232457_bffa10ee-248c-4f92-a1e7-2f309a542f33_1440.webp",    "https://cdn.recreation.gov/public/2025/06/11/20/18/232457_422e6bad-5951-44f8-829a-c11a9b8d67a9_700.webp",    "https://cdn.recreation.gov/public/2025/06/14/13/19/232457_4c4413f6-15f9-498e-b1df-c882c44f6ad8_700.webp",    "https://cdn.recreation.gov/public/2019/10/07/20/11/232457_e5920a65-9c4b-4695-9453-2afe90ee5a37_700.webp",    "https://cdn.recreation.gov/public/2020/09/18/16/58/232457_d5a93585-8af8-41cd-b762-4de9f68b7c9b_700.webp",    "https://cdn.recreation.gov/public/2020/09/18/17/31/232457_78e8721f-cfcd-45b7-ae37-49193a9100fe_700.webp",    "https://cdn.recreation.gov/public/2020/09/18/17/30/232457_a73c0822-1fe6-4917-b304-8d634b906eec_700.webp",    "https://cdn.recreation.gov/public/2020/09/18/16/54/232457_6c52e581-bc34-4ca3-b0ca-def42ea1371e_700.webp",    "https://cdn.recreation.gov/public/2025/06/11/20/28/232457_52332962-ab74-4d42-b632-c56a5ffe9ce2_700.webp",    "https://cdn.recreation.gov/public/2020/06/19/18/44/232457_5f5f15ac-66e8-4638-b65c-640c106afc8e_700.webp"  ],  "address": {    "@type": "PostalAddress",    "streetAddress": "Glen Arbor Township, MI, USA",    "postalCode": "",    "addressCountry": "US"  },  "geo": {    "@type": "GeoCoordinates",    "latitude": 44.8916667,    "longitude": -86.0427778  },  "sameAs": [    "https://www.recreation.gov/camping/campgrounds/232457"  ],  "numberOfRooms": 4,  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Tent Camping"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent"    },    {      "@type": "LocationFeatureSpecification",      "name": "Biking"    },    {      "@type": "LocationFeatureSpecification",      "name": "Hiking"    }  ]}