[Pickup information] Adachi Mystery Hunter goes! Color manhole series

On one peaceful day, a something suspicious looking man appeared in Adachi City.
His true identity is a member of Adachi Mystery Hunter who investigates the mysteries lie behind Adachi City!

This is a Adachi Mystery Hunter Goes series where hunters solve the riddle of mysteries, folklore, and strange things or spots in various places of Adachi City.
This time, a hunter heard that there is a place where one of the largest number of color manholes in Tokyo, were close together near Takenotsuka Station.
Why are so many manholes installed in one place, and besides color manholes?
We will reveal a secret!

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