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Chinese archeologists excavated two ancient smoke-absorbing bronze lamps that are believed to be about 2,000 years old. Experts said the artifacts may have been the world's first eco-friendly lamps.

Archaeologists Discover 2,000-Year-Old Smoke Absorbing Lamps in Chinese Tomb

Archaeologists in China have made a unique discovery in a cemetery dating to the Western Han Dynasty (221 – 206 BC) – two bronze lamps that could ‘swallow’ smoke. Historians are hailing the discovery...