Chernobyl Reactor #4

The concrete blocks on the buildings to the left and center comprise part of the old sarcophagus built to contain radiation after the 1986 accident. This is as close as they'll take you, about 300 meters.

A new sarcophagus, an arch, is being built off to the right and behind this photo. It will slide on tracks right over the top of the old one. But radiation levels increase at higher elevations, making it unsafe to work at the top of the construction site, above thirty meters.

The really cl...