Cheng Zongyang took the empty basket off his back and filled it halfway with soil before heading back.
By the time he returned to the Inner Mountain Pass, the sun was nearly set. Ignoring the questions from the crowd, he immediately retrieved the filtration materials and various tools he had prepared over the past few days from the warehouse.
Then, by the water pool and under the watchful eyes of many, he began to set up his contraption.
Although these people knew that salt could be found in ore and certain types of soil, none of them knew how to extract actual salt. At most, they would let the water settle until it was a bit clearer and assume it was drinkable.
But now, seeing Cheng Zongyang's preparations—fine sand, gauze, charcoal, and charcoal powder—they were all a little bewildered.
