A tiny village in Japan would've been wiped out by the tsunami had they erected their houses closer to the sea-views. However, they chose to abide by ancient tsunami-warning stones that carried the messages of their forefathers, and survived. Like an ancient message board.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/mqtQDcHm9do/tsunami-stones-warn-the-japanese-not-to-build-houses-past-their-invisible-lines
GOOGLE GRUPO IUSACELL HARRIS HCL TECHNOLOGIES
