As Chinese archaeologists unveiled some of the newly excavated artifacts from the Sanxingdui Ruins site on Saturday, a fragment of a gold mask has caught most of the attention from experts and the public alike.

Hailed as one of the most important ancient remains found in the 20th century, the 3,000-year-old Sanxingdui in southwest China's Sichuan Province is a treasure house buried with a trove of pottery, jade, bronze and gold wares. The second episode of "Wonders of Sanxingdui" looks into the mysterious gold masks found at the site's sacrificial pits.

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