Ground restore work close to air bubbles on river floor in Chofu, Tokyo quickly suspended | NHK

Earlier this month, it was confirmed that bubbles have been showing on the water floor of a river flowing by way of a residential space in Chofu, Tokyo, and an expressway firm that was close to the positioning repairing the free floor brought on by an underground tunnel accident stopped work. We have determined to quickly droop the operation and conduct a survey of water high quality, and so on.

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