System.Net.WebException Время ожидания операции истекло

using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Xml;
using System.Xml.Linq;
using System.Net;
 
namespace test
{
    class Program
    {
 
        static void Main(string[] args)
        {
            string xmlfileOrURL = @"http://archive.org/advancedsearch.php?q=xml&fl%5B%5D=avg_rating&fl%5B%5D=call_number&fl%5B%5D=collection&fl%5B%5D=contributor&fl%5B%5D=coverage&fl%5B%5D=creator&fl%5B%5D=date&fl%5B%5D=description&fl%5B%5D=downloads&fl%5B%5D=foldoutcount&fl%5B%5D=format&fl%5B%5D=headerImage&fl%5B%5D=identifier&fl%5B%5D=imagecount&fl%5B%5D=language&fl%5B%5D=licenseurl&fl%5B%5D=mediatype&fl%5B%5D=month&fl%5B%5D=num_reviews&fl%5B%5D=oai_updatedate&fl%5B%5D=publicdate&fl%5B%5D=publisher&fl%5B%5D=rights&fl%5B%5D=scanningcentre&fl%5B%5D=source&fl%5B%5D=subject&fl%5B%5D=title&fl%5B%5D=type&fl%5B%5D=volume&fl%5B%5D=week&fl%5B%5D=year&sort%5B%5D=&sort%5B%5D=&sort%5B%5D=&rows=5000000&page=1&callback=callback&output=xml&save=yes";
 
            try
            {
                System.Xml.Linq.XElement xmlFile = System.Xml.Linq.XElement.Load(xmlfileOrURL);
            }
            catch (System.Exception ex)
            {
                xmlfileOrURL = xmlfileOrURL;
            }
        }
    }
}

string url = "http://www.dreamincode.net/forums/xml.php?showuser=1253";
    string xml;
    using (var webClient = new WebClient())
    {
        xml = webClient.DownloadString(url);
    }
 
    XDocument doc = XDocument.Parse(xml);

HttpWebRequest request = (HttpWebRequest) WebRequest.Create(url);
request.Timeout = 60;