2.8K views · 37 reactions | From Normandy to Bastogne, Lt. Col. David Hamilton was the lead aviator in numerous pivotal World War II missions. As a pathfinder pilot, his job was to establish landing zones and deliver vital supplies to surrounded airborne divisions. On this Veterans Day, we're proud to salute the legacy of a real American hero. | AOPA: your freedom to fly | Facebook

33K views · 475 reactions | Wildlife rehabilitation experts in the US repaired a 曆 monarch butterfly's wing so that it could travel the thousands of miles to Mexico before winter.  How do butterflies and moths fly? https://bbc.in/4oGBJxA | BBC World Service | Facebook