Converting Hot Air to Cool Air using Zero Electricity

Bangladesh has a subtropical monsoon climate. There are three distinct seasons: a hot, humid summer from March to June; a cool, rainy monsoon season from June to October; and a cool, dry winter from October to March. Generally, maximum summer temperatures range between 30°C and 45°C. Imagine yourself living in Daulatdia, Rajbari in Bangladesh where 28,000 people

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