I assume there is none - Miami and other coastal cities will exist forever and ever (in the minds of those who own its land and properties) :-) I doubt the peo

I assume there is none - Miami and other coastal cities will exist forever and ever (in the minds of those who own its land and properties) :-) I doubt the people of those Greek cities that sunk thought it would ever happen... or they just turned their heads, plugged their ears and said "everything is fine".