Yakhchal the ancient cooler
Yakhchāl is an ancient type of evaporative cooler. Above ground, the structure had a domed shape, but had a subterranean storage space. It was often used to store ice, but sometimes was used to store food as well.
Leonardo da Vinci
Leonardo di ser Piero da Vinci, known as Leonardo da Vinci, was an Italian polymath of the Renaissance whose areas of interest included science and invention, drawing, painting, sculpture, architecture, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, paleontology, and cartography.
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