The ancient city of Huangsha is named after it. All the buildings in the city are made of Huangsha.

it's just sand leaking from fingers. The yellow sand for building cities is the solid and compressed yellow sand. It's no problem to make ordinary buildings.

although it's the only big city in tens of thousands of miles, the area of the ancient city is not large, at most it's three hundred miles. Compared with Ye Chu's boundary of nine immortal cities, the city of a million miles is nothing.

there are not many practitioners in the city. Ye Chu's divine sense scanned the ancient city, and found no decent strong...