shashasha

“At late April, I set out to Mabu. (unlined tunnel that water flowing into). I pursued into the empty hole after melting snow, wrapping a rope around my waist. When I went down to the bottom of the ravine cautiously and slowly, there was a dimming Mabu that muddy stream rushing with loud sounds. In 2012, when I was almost pushed back by water pressure, the search that tracing underground water vain of Light at Tokamachi city, Niigata prefecture started.”

-Katsuhito Nakazato, foreword.