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Archaeology is a puzzle. For Sarah Parcak, the arduous process of trying to find ancient treasures is made exponentially easier by satellite imagery.

The Temple of Bel in Palmyra, Syria. Photo: iStock.

Terrorists make headlines by destroying ancient sites like Palmyra, in Syria. But there’s an even more sinister endgame, as archaeologist Sarah Parcak explains.

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Strange as it may seem, archaeologists often look to the sky to discover sites buried deep beneath the earth. Space archaeology, as it’s called, refers to the use of high-resolution satellite imaging and lasers to map and model archaeological ruins. TED Fellow Sarah Parcak makes extensive use of this technology in her work. She explains why it’s so useful.