lastmomentsalive on Instagram: "On April 26, 1986, reactor number four at the Chernobyl Nuclear Power Plant in Soviet Ukraine exploded during a late-night safety test. A sudden power surge caused the reactor core to rupture, triggering massive explosions and a fire that released radioactive material into the atmosphere. It remains the worst nuclear disaster in human history. Two plant workers died immediately, but the real devastation unfolded silently over days, weeks, and years. Firefighters r