C115 Gambling

"In a month's time, I'm going to build a man-made lake with a diameter of ten kilometers, and fill it with fresh water. "

Qiu Yun said with a smile.

"Filling it with fresh water is easy, but stopping it from evaporating is very difficult. If you want to use the desalination plant to continuously pour fresh water into it, then it's not a big deal. "

Liao Susu looked at Qiu Yun