>>>And have the Dutch dykes actually lasted 1250 - 10,000 years? The proof of the pudding is in the eating.
>>[snip]
>>
>>Ever heard of testing in laboratories? Engineers have their methods to calculate the required strength and height of dikes. Maybe not in your country, but in the Netherlands we do have that expertise.
>>
>>That's why I can sleep well. :)
>
>Ah, but have they considered a tribe of Israelites with trumpets?

ROFL!