The guibiao on display in the museum is a part of an ancient observatory discovered at the Taosi ruins. Archaeologists believe this is the earliest observatory known in China. The most exciting ...

Even after uncovering walls, halls, dozens of rooms, pillars and pillar bases, and over 1,200 hieroglyphic inscriptions, the ...

The guibiao gnomon shadow measurement tool is a part of an ancient observatory discovered at the Taosi ruins. Archaeologists believe this is the earliest observatory known in China. We sell ...