Here's how the British hold back the waters from flooding London:
And the Dutch solution to protecting an entire nation that mostly rests below sea level:
The Italians are defending their city on the sea, Venice:
Giant platforms on hinges raise up to break the waves when they get too high
And the richest, most powerful and technologically advanced nation on earth...USA!
Go Corps of Engineers!
Hey, it takes a lot of money to keep corrupt politicians corrupt