Shackleton’s ship, the Endurance, trapped in the Antarctic ice. In near total darkness, photographer Frank Hurley used 20 charges of flash powder in shielded receptacles to light the ship for this photo. 1915 [2117×2835]

Shackleton’s ship, the Endurance, trapped in the Antarctic ice. In near total darkness, photographer Frank Hurley used 20 charges of flash powder in shielded receptacles to light the ship for this photo. 1915 [2117×2835]