Published: June 11, 2019
They call it X Day – a major earthquake striking the heart of the world’s most populous city in the most calamitous event since the second world war. Can hi-tech solutions save Tokyo?
Every day, at 5pm, the gentle melody of the children’s song Yuyake Koyake chimes across the Minato area of Tokyo from a loudspeaker – one of hundreds dotted across schools and parks throughout this megacity of 37 million people.
The daily jingle does more than signify the arrival of evening. It is a test for the system that is designed to save Tokyoites from what would be one of the worst natural disasters in recorded human history: an earthquake striking the centre of the most populous city on Earth.
Continue reading...from The Guardian http://bit.ly/2IaCYnq
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