CalendarAggregator.CalendarRenderer.MakeGeoForRDFa C# (CSharp) Метод

        private string MakeGeoForRDFa(ZonelessEvent evt)
        {
            string geo = "";
            if (evt.lat != null && evt.lon != null)
                geo = string.Format(
            @"<span rel=""v:location"">
            <span rel=""v:geo"">
               <span typeof=""v:Geo"">
              <span property=""v:latitude"" content=""{0}"" ></span>
              <span property=""v:longitude"" content=""{1}"" ></span>
               </span>
            </span>
              </span>",
                evt.lat,
                evt.lon
                );
            return geo;
        }