Chinese archaeologists make new big discoveries at the Sanxingdui Ruins site in southwestern China's Sichuan Province. Hundreds of important cultural items are excavated from four of the six new sacrificial pits, including gold masks, gold foil, bronze trees and ivories. New rounds of archaeological work are now underway. Archaeologists use modern technologies to reveal further details of the relics. Follow CGTN's coverage on "China's Archaeological Missing Link" to learn more.