import MapKit
var woeid: WOEID! // data (woeid, city, country, latitude, longitude)
@IBOutlet weak var aMapView: MKMapView!
override func viewDidLoad() {
super.viewDidLoad()
let center = CLLocationCoordinate2D(latitude: woeid.latitude, longitude: woeid.longitude)
let span = MKCoordinateSpan(latitudeDelta: 1, longitudeDelta: 1)
let region = MKCoordinateRegion(center: center, span: span)
self.aMapView.setRegion(region, animated: true)
let annotation = MKPointAnnotation()
annotation.coordinate = center
annotation.title = woeid.city
annotation.subtitle = woeid.country
}