- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>)annotation {
    MKCoordinateRegion region;
    region.center.latitude = self.mapView.userLocation.location.coordinate.latitude;
    region.center.longitude = self.mapView.userLocation.location.coordinate.longitude;
    region.span.latitudeDelta = 0.2;
    region.span.longitudeDelta = 0.2;
    [self.mapView setRegion:region animated:YES];
    [self.mapView.userLocation setTitle:@”Current Location”];
    return nil;
}