And the one that are not closed to the sea, are closed to rivers, and so are also at risk of being flooded. Another risk is that after severe heat waves, the ri

And the one that are not closed to the sea, are closed to rivers, and so are also at risk of being flooded. Another risk is that after severe heat waves, the river's water can become to "hot" to efficiently cool the reactor... Not to mention severe drought where the river level can become too low... All in all, plenty of different ways to fail.