In Chernobyl, the site of the world's worst nuclear disaster, a giant protective shield is slowly being moved into place a couple of feet at a time. The concrete and steel arch is billed as the ...
To safely enclose and robotically dismantle the 25-year-old makeshift confinement sarcophagus at Chernobyl, contractors are now erecting a massive steel structure weighing more than 29,000 metric tons ...
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