The news that a hot
spring sprang out in Otemachi of the right in the middle of Tokyo became the
topic and the news was very surprised.
To find the hot
spring, the latest excavator was used for Otemachi hot spring digging
construction, and, in space of 8m times 25m for digging, approximately 1,500m depth
was dug.
And then, the
source of the hot spring was found for about three months.
In case of the hot
spring of Tokyo, there seemed to be black and the amber source of the hot
spring, and the black source appeared from the relatively shallow place, and a
plant
Long time passes,
and the thing which corroded became the black source.
And the amber
source seems to appear when it is dug deeply, and it is said that seawater shut
in underground is matured and become the fossil seawater as amber.
Because a digging
technology progressed in the Otemachi hot spring, the amber source seemed to
spring out by digging deeply.
A hot spring may
become able to enjoy willingly from now on in the center of Tokyo.
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