🌊 What if a colossal tsunami swept down from the north of Australia? Off the northern coastline, deep under the tropical sea, a long and silent fault line suddenly shifts. Centuries of pressure release in seconds. The ocean lifts, folds, and begins moving south — not a curling wave, but a moving wall of water, wide as a horizon. The first impact is immediate. The surge slams into Darwin and the Northern Territory, swallowing harbours, mangroves, and coastal roads. Streets become channels. Boats