I watched NHK Special Tokyo Reborn (5) "Shibuya Labyrinth" the other day.

- The night at the end of May. Major works to move the platform 350 meters and correct the track for 500 meters in 54 hours without stopping the station's functioning.

- It took two years to prepare the plan. More than 1,000 construction workers.

- A race against time, with every minute counted. The unexpected continues to happen even after all the preparation.

Some ten years ago, I was involved in a similar case (I think the conditions were more stringent as far as "time" is concerned), and I couldn't help but think back to it -- and,

I was almost in tears.

This is what I call "drama".

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Incidentally, I was on a business trip to London during that period. In front of the Metro station,

"Subway shut down for a full two weeks"

When I witnessed the shutdown of the transportation infrastructure in a very dynamic manner, I realized that there was a way to do it.

It was truly a "Columbus' egg".

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All railways through Shibuya (Yamanote, Saikyo, Shonan Shinjuku, Inokashira, Toyoko, Denentoshi, Ginza, Hanzomon and Fukutoshin lines) are to be completely shut down for one week.

The centralized construction of the project "will be difficult".

But if the Great Kanto Earthquake strikes, we won't be able to open the entire line in six months, not one week.

Stopping the city from functioning for a week -- maybe now is the time for such a "bold evacuation drill".