http://*.com/questions/4680649/zooming-mkmapview-to-fit-annotation-pins

- (MKCoordinateRegion)regionFromLocations {

    CLLocationCoordinate2D upper = [[locationFake objectAtIndex:0] coordinate];

    CLLocationCoordinate2D lower = [[locationFake objectAtIndex:0] coordinate];

    // FIND LIMITS

    for(FGLocation *eachLocation in locationFake) {

        if([eachLocation coordinate].latitude > upper.latitude) upper.latitude = [eachLocation coordinate].latitude;

        if([eachLocation coordinate].latitude < lower.latitude) lower.latitude = [eachLocation coordinate].latitude;

        if([eachLocation coordinate].longitude > upper.longitude) upper.longitude = [eachLocation coordinate].longitude;

        if([eachLocation coordinate].longitude < lower.longitude) lower.longitude = [eachLocation coordinate].longitude;

    }

    // FIND REGION

    MKCoordinateSpan locationSpan;

    locationSpan.latitudeDelta = upper.latitude - lower.latitude;

    locationSpan.longitudeDelta = upper.longitude - lower.longitude;

    CLLocationCoordinate2D locationCenter;

    locationCenter.latitude = (upper.latitude + lower.latitude) / 2;

    locationCenter.longitude = (upper.longitude + lower.longitude) / 2;

    MKCoordinateRegion region = MKCoordinateRegionMake(locationCenter, locationSpan);

    return region;

}