An Empire State builder hanging on a crane above NYC, 1925: The Empire State Building took a year and 45 days to complete and more than 28 million dollars.

Nuclear Bomb ‘shadow’ in Hiroshima Japan 1945: When the bomb exploded, it emitted intense thermal radiation which bleached everything. The people close enough to the blast were vaporized almost instantly, but their bodies absorbed the wave of radiation and left a shadow on the surface behind.