​​ Sigiriya had been built by King Kashyapa I in the 5th c. A.D. Sigiriya was declared a World Heritage site in 1982 as it displayed the cumulative effect of science of town planning, arts, architecture, construction, landscape architecture and the science of water management practiced in Sri Lanka in the 5th c. A.D. Some archaeologists of the past identified Sigiriya as a fortification, and some as a township. From the research done by archaeologists to date reveals that S