Farmers near Xi'an, China were digging a well in March 1974 when their shovels hit a buried clay head. It led to the Terracotta Army: an estimated 8,000 soldiers, of which only 2,000 have been dug up so far. They guard the 2,200-year-old tomb of China's first emperor, a tomb that has never been opened. Ancient writers said it holds rivers of mercury, and soil tests found the mercury is real.
Farmers Dug a Well and Found an Army of 8,000 Statues
In the spring of 1974, a group of farmers in Shaanxi province, China, was digging a well to fight a drought. Their shovels hit something hard about 15 feet down. It was not rock. It was a face, made of clay, staring back up at them from the dirt.
A Drought, a Shovel, and a Buried Face
The farmers, led by a man named Yang Zhifa, were working near Xi'an on March 29, 1974, when they unearthed the fragments of a life-size clay figure. Local officials were called in, and word reached archaeologists. What they found beneath that dry field was not a single statue. It was an army that had been standing guard, underground and unseen, for over 2,200 years.
An Army Two Thousand Years in the Making
Excavations eventually revealed three massive pits that archaeologists believe hold an estimated 8,000 life-size soldiers, along with horses, chariots, and bronze weapons. Only around 2,000 of those figures have actually been dug up so far. The rest are still underground, left deliberately unexcavated. The figures were built to protect the tomb of Qin Shi Huang, the first emperor to unite China, who ordered the project during his own lifetime.
What makes the army even stranger is the detail. Craftsmen used a small number of base head molds, then hand-added clay features on top, mustaches, ears, topknots, and expressions, so that no two soldiers share the same face. The figures were also originally painted in bright colors. Almost none of that paint survives today. Archaeologists have found that the lacquer beneath it can curl within seconds and flake away within minutes once it hits open air, which is part of why so much of the site remains carefully unexcavated.
The Tomb Nobody Has Opened
The soldiers were never the main event. They were built to guard something bigger: the emperor's own burial mound, located about a mile away, which has never been excavated.
Centuries after the emperor's death, the historian Sima Qian wrote that the tomb's inner chamber contained a miniature map of China, with rivers and seas recreated in flowing liquid mercury. For a long time, this sounded like myth. Then modern soil tests around the mound turned up mercury concentrations far above normal background levels, concentrated in patterns that roughly match the rivers Sima Qian described.
Archaeologists have deliberately left the tomb sealed, citing both the toxic mercury and concerns about damaging whatever is inside before better preservation techniques exist. More than 50 years after that first buried face turned up in a well, the emperor guarding it all is still waiting, undisturbed, underground.
Frequently Asked Questions
When was the Terracotta Army discovered?
How many terracotta soldiers are there?
Are the faces on the terracotta soldiers really all different?
Why hasn't the emperor's actual tomb been opened?
Were the terracotta soldiers originally painted?
Verified Fact
Verified Jul 12, 2026
Source: National GeographicShow verification details
Verified 2026-07-12. Primary source: nationalgeographic.com (read in full via WebFetch) - CONFIRMED: 1974 well discovery near Xi'an; ~8,000 estimated figures across pits, four pits partially excavated; each soldier has distinct facial features; ancient text (Sima Qian) describes mercury waterways in tomb, modern soil testing found elevated mercury corroborating the account; tomb deliberately left sealed for preservation. GAP: NatGeo does not state the exact ~2,000 excavated figure (only implies partial excavation) - this specific split is corroborated by South China Morning Post (fetched in full): "While 2,000 warriors have been excavated since the site's discovery in 1974, scientists believe the mausoleum contains around 8,000 statues." Additional corroboration for discovery date/farmer name (Yang Zhifa, March 29 1974, drought, well-digging) via Wikipedia/Silicon Canals/Hello Magazine cross-check; paint-curl timing (within seconds/within minutes) corroborated by multiple sources citing 15 seconds to curl / 4 minutes to flake (fact text is less precise than this, so not an over-precision issue). Claims checked: (1) 8,000 = ESTIMATE, only ~2,000 excavated, ~6,000 still buried - CONFIRMED correct in text/social_text/article/FAQ/engagement comment, no field implies all 8,000 found (priority check - PASS). (2) No two faces alike - FAQ correctly scopes claim to excavated figures (cannot be verified for the ~6,000 unexcavated); article prose is unscoped but matches universal mainstream framing (NatGeo, museums) so left as-is. (3) Mercury framed as ancient-account-plus-modern-soil-test-corroboration throughout, not asserted as proven liquid rivers - correct hedge; open question preserved (tomb never been opened). CORRECTED: social_caption line Ancient records say it is flooded with mercury overstated the source (implies full submersion) - changed to holds rivers of mercury to match text/social_text and the actual mercury-filled-waterways claim. Also trimmed social_text from 443 to 414 chars (was over the 420 target, under the 450 hard stop) and re-synced text field to match exactly (stripped of markdown). Cross-check: ran codex (read-only) sentence-by-sentence comparison against NatGeo source text; its flags on date precision/farmer name/paint-timing were limited-context artifacts (corroborated by other sources listed above, independently verified here) not actual fabrications. No emdashes found in any field. Citation fidelity: source_url (NatGeo) backs discovery story, ~8,000 estimate, mercury ancient+modern corroboration, and unique-faces claim directly; the ~2,000-excavated split is corroborated by SCMP (not set as source_url since it lacks the mercury/discovery/faces coverage NatGeo has). No scheduled_posts existed for this fact; image_social/image_card/image_banner all NULL (pre-imaging) - no cascade required.
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