Book is in French Our planet will never cease to surprise us, especially when seen from the sky. By comparing past and present, this book unfolds an unusual story of the world, which is also a story of aerial photography and its main actors. The world is changing. Cities and infrastructures become disproportionate, glaciers retreat, oceans grow, ancient monuments disappear, others are reborn. A spectacular development that is difficult to appreciate while remaining with one's feet on the ground. This is why aerial photography, a unique invention that appeared in the middle of the 19th century, is an essential knowledge tool today with undeniable charm. From the first blurry photos, taken by courageous pioneers aboard hot air balloons, to high definition photos taken by drones, this gallery of images retraces the recent history of the world through its transformations, offering the reader the rare opportunity to admire the latter as it was and as it is, and inviting them to wonder about its future.