This week we're replaying some of our favorite episodes that take place up in the air. In this one from April 2019, two researchers go back through old CIA surveillance photos, not for their Cold War history, but for archaeology. And it turns out, these photos showed a lot. Plus: in Woodstock, Illinois, the Great Lakes Steelpan Festival gets underway.
Declassified U2 spy plane images reveal bygone Middle Eastern archaeological features (Phys.org)
