void showLandmark(string key)
{
Debug.Log("Show landmark: " + key);
UI ui = GetComponent <UI>();
ui.setText(key);
Landmark landmark = landmarks[key];
// -> camera
// -> camera target
// todo : animate main camera to new camera position
string container = landmark.getContainer();
MoveCamera moveCamera = GetComponent <MoveCamera>();
moveCamera.UpdateLocation(container);
Debug.Log("Landmark object:");
Debug.Log(container);
Debug.Log(landmark.getName());
}