Starting this year, dredging work has been carried out on the moat. We were also looking forward to it. The sediment is about 3 meters deep in some places, and it is planned to dredge all the moats over the next seven years. In fact, depending on the water level, there are places where the sediment is above the water surface, and I have even seen people smile wryly when I explained the depth of the moat.
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