Interesting Engineering on MSN3d
China’s solar-heated sand floors keep homes cozy at 65°F even in freezing -1°F
Many rural homes around the globe lack modern heating options and rely on wood or coal, leading to health risks and ...
China Daily Global Edition3d
Hot springs gain steam in icy northeastern China
In the mountainous village of Naitoushan in Jilin's Yanbian Korean autonomous prefecture, visitors often unwind in hot ...