The Engineering Marvels Of Sri Lanka's Ancient Kingdom Anuradhapura | The Mark Of Empire

Curator Peter Lee crosses Sri Lanka to work out how the Anuradhapura kingdom turned dry plains into a breadbasket and an early centre of Buddhism that drew traders from Greece and China. Stupas, a two-thousand-year-old irrigation network, gem pits and the martial art of Angampora build the case for a golden age still legible in the country today.

Why it's free: Free on CNA Insider's own channel; Mediacorp's Channel NewsAsia produced and broadcast it.