Jiang, another regular customer, is a retired subdistrict office worker who lives near the Longshan vegetable market.

另一位常客蒋先生是一名退休的街道办事处职员，住在龙山菜市场附近。

As it spread down the Yellow River, the pottery produced by the Longshan culture became even more sophisticated.

随着龙山文化沿黄河而下传播，龙山文化生产的陶器变得更加复杂。

It was only later that small bronze vessels appeared in northwestern China, and at the time of Longshan culture on the central plains.

而后在中国的西北，中原的龙山文化，相继出现铜器，然而都是小型物件。

Some four thousand years ago, along the banks of the Yellow River, the Longshan culture achieved something remarkable, a fusion of superb craftsmanship and a basic material.

距今四千多年前，中国黄河中下游龙山文化时期，最质朴的材质邂逅了最巅峰的工艺。