ddd confidently states the man who photographed the "elephant foot" at Chernobyl died within minutes of radiation. This article states the photo was taken by a jury rigged robot contraption. "From a safe distance, liquidators rigged up a crude wheeled camera contraption and pushed it towards the Elephant’s Foot. After careful examination, they determined that it wasn’t all nuclear fuel. In fact, the mass was comprised of only a small percentage of fuel; the rest was melted concrete, sand, and core shielding that all melted and flowed together. The material was dubbed “corium,” after the part of the reactor that spawned it. Over time, the Elephant’s Foot decomposed. It puffed dust and its surface cracked." Once again ddd displays the Dunning-Kruger effect.