This is a very deep pit, with an elevation of -87 meters, located next to Tianma Mountain in Songjiang District. It was probably a quarry or something similar long ago. Since there were no drainage facilities inside, it was still a lake two years ago. Now, they plan to build a waterfall and a hotel in it, so the water has been pumped out~~
This is a very deep pit, the depth is 87m. It’s located by Tianma mountain, Songjiang district. Maybe it’s kind of a quarry long ago. For there’s no drainage there, it’s been a lake for a long time. Recently they pump the water out to build a 5-star hotel in it.

















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