- (void)zoomInGesture:(UITapGestureRecognizer *) recognizer {
    currentRegion = self.mapView.region;
    currentSpan = self.mapView.region.span;
    isZoomingWithDoubleTap = YES;

    MKCoordinateRegion region = currentRegion;
    MKCoordinateSpan span = currentSpan;

    span.latitudeDelta = currentSpan.latitudeDelta / 2.3;
    span.longitudeDelta = currentSpan.longitudeDelta / 2.3;
    region.span = span;

    [self.mapView setRegion:region animated:YES];
}

- (void)pinchOnMap:(UIPinchGestureRecognizer *) recognizer {

    if (self.mapView.region.span.latitudeDelta < 0.18) {

    if (recognizer.state == UIGestureRecognizerStateBegan) {
        currentRegion = self.mapView.region;
        currentSpan = self.mapView.region.span;
    }

    if (recognizer.state == UIGestureRecognizerStateChanged) {
            MKCoordinateRegion region = currentRegion;
            MKCoordinateSpan span = currentSpan;
            span.latitudeDelta = currentSpan.latitudeDelta / recognizer.scale;
            span.longitudeDelta = currentSpan.longitudeDelta / recognizer.scale;
            region.span = span;
            [self.mapView setRegion:region animated:NO];
    }
    }
    else {
        CLLocationCoordinate2D coordinate = [self.mapView.userLocation coordinate];
        MKCoordinateRegion region;
        region.center = coordinate;
        MKCoordinateSpan span;
        span.latitudeDelta = 0.1;
        span.longitudeDelta = 0.1;
        region.span = span;

        [self.mapView setRegion:region animated:YES];
    }
}