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Comment by steve19 | Hacker News Reader

They plan on finishing it in 2041, more than two decades away. I think this sounds far more like a marketing ploy than an actual building project.

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People working in forestry are used to planning long-term, what you sow or plant now will be reaped by the next generation. They just planted the building and are now waiting for it to grow to harvestable size.

http://blog.longnow.org/02014/12/31/humans-and-trees-in-long...

I would love for humans to plant Red Woods and Iron Woods that would someday be harvested. They take so long to grow that they are not replaced, an ultimate testament to selfishness.

You would enjoy reading about this forest:

https://www.atlasobscura.com/places/visingso-oak-forest

Ultra long term planning is hard.

I had the same thought, but actually the super long timeline could also be evidence that they're taking it seriously. Roppongi Hills, another Tokyo development, took about 18 years from the start of planning to the end of construction.

The reason why Roppongi Hills took 18 years was because much of that time was spent acquiring lots from 400 smaller property owners. The construction of Mori tower itself took ~3 years.

This proposal does seem more marketing like marketing than a serious attempt to construct a building in that neither the website nor press release mentioning the location that the tower will be built (Marunouchi).(http://sfc.jp/information/news/2018/2018-02-08.html) (http://sfc.jp/english/news/pdf/20180214_e_01.pdf)

On the other hand, if they are serious about it and haven't decided on the location yet, it means that they probably haven't started acquiring the land, or that they are attempting to acquire it at several locations.

Given the Roppongi Hills example, provisioning 15 years just to acquire the smaller properties seems reasonable (and completely crazy at the same time, depending on the point of view).

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