google api c# place, json

I have the google c# api code and it works fine.But I want to get
child node : photos {height and width}.
rating
open now
weekday text
viewport

Can you help me what I need to do with the codes below? Thank

reference: https://developers.google.com/places/web-service/search


       

protected void Page_Load(object sender, EventArgs e)
        {
             WebClient wc = new WebClient();
            string jsonStr = wc.DownloadString("https://maps.googleapis.com/maps/api/place/nearbysearch/json?location=37.753,-122.443&radius=10000&type=rv_park&key=AIzaSyCietasdfasdfasdfasdfxzD65Uc19X6DgrJFumdi-nCZYSHjg");
            GooglePlacesResponse gpr = (GooglePlacesResponse)JsonConvert.DeserializeObject<GooglePlacesResponse>(jsonStr);
            Response.Write(gpr.status + "<br><br>");
            foreach (results r in gpr.results)
                {
                
                Response.Write
                    (r.name + " "  + 
                     r.geometry.location.lat + " " + 
                     r.geometry.location.lng + " " +
                     r.reference + " " +
                     r.vicinity  + " " +                         
                     "<br><br>");
            }

         } 
        public class GooglePlacesResponse
        {
            public string status { get; set; }
            public results[] results { get; set; }
        }
        public class results
        {
            public geometry geometry { get; set; }
            public string name { get; set; }
            public string reference { get; set; }
            public string vicinity { get; set; }              
        }
        public class geometry
        {
            public location location { get; set; }             
        }         
        public class location
        {
            public string lat { get; set; }
            public string lng { get; set; }
        } 

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