To rapidly map regions in fine detail, researchers need national but not necessarily local permission to carry out an aerial scan. It's similar to how Google can map your home without your consent.
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Underwater Archaeologist Maps 250 Treasure-Laden Shipwrecks Packed With 22 Tons of Gold
An underwater archaeologist has identified around 250 treasure-filled shipwrecks along the coasts of mainland Portugal, the Azores, and Madeira, potentially holding tons of gold and silver beneath the ...
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