First of all, of course, Google Earth, because it allows the places where such maps available, view the status in different time periods, but also for example on Bing maps or Yahoo maps.
Awali ya yote, bila shaka, Google Earth, kwa sababu ni mahali ambapo ukame Inaruhusu ramani zilizopo, mtazamo hadhi katika vipindi tofauti wakati, lakini pia kwa mfano juu ya ramani Bing au Yahoo ramani.