Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/campground-niigata",  "name": "新潟県立こども自然王国キャンプ場",  "description": "The facilities in the stadium are well managed, and proud of the equipment to enjoy BBQ in rain and snow, and of the food preparation plan. We can go on foot into the natural kingdom, so our family will be happy.",  "url": "https://campertunity.com/listings/campgrounds/campground-niigata",  "address": {    "@type": "PostalAddress",    "streetAddress": "新潟県柏崎市高柳町高尾30-33",    "addressLocality": "柏崎・寺泊・長岡・魚沼（湯之谷）",    "addressRegion": "Niigata",    "postalCode": "945-1505",    "addressCountry": "JP"  },  "geo": {    "@type": "GeoCoordinates",    "latitude": 37.210973,    "longitude": 138.6330359  },  "sameAs": [    "https://www.nap-camp.com/niigata/11620"  ],  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Established"    },    {      "@type": "LocationFeatureSpecification",      "name": "Toilets"    },    {      "@type": "LocationFeatureSpecification",      "name": "Stargazing"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent Camping"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent"    },    {      "@type": "LocationFeatureSpecification",      "name": "Swimming"    },    {      "@type": "LocationFeatureSpecification",      "name": "Hiking"    }  ]}