What are the most authentic and cruel photos in history?

Before Harold Egton, it was futile to shoot a moment. But in 1950, in the laboratory of MIT, Egton began to try a new method to change the future photography industry. High-speed shutter photography is an interesting and popular photography subject at present, but in the 1950s, it was the degree of laboratory research to take such photos. This photo captured an imperceptible moment with the naked eye in that year, which promoted people's understanding of the physical world, and the synchronization of the flash used also laid the foundation for modern electronic flash.

This is one of them. Take a look.