 
         //overlayView...
 
+
         
     }
     

    }
}



class PhotosViewController: UIViewController {

    private lazy var pageViewController: UIPageViewController = {
        let vc = UIPageViewController(
            transitionStyle: .Scroll,
            navigationOrientation: .Horizontal,
            options: [UIPageViewControllerOptionInterPageSpacingKey: 16])
        vc.dataSource = self
        vc.delegate = self
        return vc
    }()

    private var currentPhotoViewController: PhotoViewController?

