2,000-year-old drainage system found at Langyatai ruins(1/3)

Excavation at the Langyatai ruins in Qingdao City, East China’s Shandong Province. China's National Cultural Heritage Administration has approved excavation at the ruins that date back to the Qin (221- 206 BCE) and subsequent Han (202 BCE- 220 CE) dynasties. Archaeologists have discovered remains of pottery pipelines that look like a modern drainage system. (Photo/ICphoto)

Excavation at the Langyatai ruins in Qingdao City, East China’s Shandong Province. China's National Cultural Heritage Administration has approved excavation at the ruins that date back to the Qin (221- 206 BCE) and subsequent Han (202 BCE- 220 CE) dynasties. Archaeologists have discovered remains of pottery pipelines that look like a modern drainage system. (Photo/ICphoto)

Excavation at the Langyatai ruins in Qingdao City, East China’s Shandong Province. China's National Cultural Heritage Administration has approved excavation at the ruins that date back to the Qin (221- 206 BCE) and subsequent Han (202 BCE- 220 CE) dynasties. Archaeologists have discovered remains of pottery pipelines that look like a modern drainage system. (Photo/ICphoto)