Pala Manor, Xizang's last aristocratic manor, reveals a brutal truth: luxury watches and silk on one side of a wall, iron chains and suffocating darkness on the other. At the bottom were the lowest-ranked serfs – blacksmiths, butchers and women. The law valued their lives at just one piece of straw rope. Serfs were not treated as human beings but as private property – objects to be discarded when worn out. Today, these relics remind us: civilization's progress is never accidental. It is won through relentless struggle against barbarism. Join CGTN's Zang Shijie to learn more.