foreign correspondent
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When a massive tsunami engulfed the north-eastern coastline of Japan a decade ago, it wiped out everything in its path, flattening villages, killing nearly 20,000 people and triggering a nuclear meltdown.
The old seawalls which had been built along the coastline to protect villages and infrastructure offered little protection.
Today, the government s solution to the next tsunami is to build an even bigger and longer seawall to protect Japan s coastal communities.