func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
  let url = info[UIImagePickerControllerReferenceURL] as? URL
        if url != nil {

            let fetchResult = PHAsset.fetchAssets(withALAssetURLs: [url!], options: nil)
            let asset = fetchResult.firstObject
            print(asset?.location?.coordinate.latitude)
            print(asset?.creationDate)
        }
}