1751. 1756. 1804. 1960.
Conceived. Started. Opened. Closed.
A new date added now as the Grand Canal begins to flood beyond control.
Basements fill first and fast. Black slime and waste water rises. Drains clog. Sandbags are deployed but do not work.
Boats are floated to save the elderly.
Helicopters pluck corpses from ruined trees.