Categories Articles From pigeon-mounted cameras to dragonfly drones, here’s how aerial surveillance has evolved to spy on people over the past 200 years Post author By crystalg Post date March 12, 2023 Business Insider Business Insider Tags Aerial, Cameras, Dragonfly, Drones, Evolved, from, Here's, Over, past, people, pigeonmounted, surveillance, years ← What’s on Entrepreneur TV This Week → Best Oscar Awards Hosts: Top 5 Most Memorable Emcees, According To Experts