The giant confinement building encapsulating the Chernobyl nuclear reactor that exploded nearly 40 years ago is smooth and curved-built with scientific precision. Installed in 2016, the structure was designed to prevent the escape of radiation from the stricken reactor, which is also encased in a smaller concrete sarcophagus. The confinement enshrouds both reactor and sarcophagus and is so massive that if you placed the Statue of Liberty inside it at its center, her torch wouldn't come close to prodding the ceiling.
All external power lines supplying electricity to the Russian-occupied Zaporizhzhia nuclear power plant in Ukraine were down for several hours, but later restored after 3 hours.
The wide-ranging, confidential report seen by several news agencies said Iran carried out secret nuclear activities with material not declared to the IAEA at three locations that have long been under investigation, calling it a serious concern and warning Tehran to change its course.