A closer look at Kowloon Walled City in Hong Kong, the most densely populated place that ever existed ~humanities.history Video 17:49, published Jul 24 2023 40 votes
Exponential adoption of solar power by opium-growers in Afghanistan ~enviro energy.renewable Article 2069 words 7 votes
How the US military's opium war in Afghanistan was lost ~humanities.history Article 2505 words 7 votes