← All studies

Tagged “ancient-engineering”

• HIGH WONDER

  Jetavanaramaya

  How did 3rd-century Sri Lankan builders stack tens of millions of hand-made bricks into a 122-metre solid dome — the largest brick structure ever raised — and get the foundation, the brick chemistry and the dome's profile right enough that it is still standing 1,700 years later?

  c. 273-332 CE (Anuradhapura period; begun by King Mahasena) · Anuradhapura, North Central Province, Sri LankaAdded September 2026
• HIGH WONDER

  Sigiriya

  In under two decades, a usurper king turned a sheer 180-metre granite monolith into a fortified palace with rock-cut summit cisterns and gravity-fed garden fountains that still spring to life in the monsoon today — how was a royal water-supply system this precise engineered, and hauled into place, at that height and on that timeline?

  c. 477-495 CE (reign of King Kashyapa I) · Sigiriya, Central Province, Sri LankaAdded July 2026