Support WBURReports: Why Things Fell Apart At Fukushima PlantPlay03:50Download AudioRichard HarrisJune 20, 2011 ShareThis March 24 aerial photo shows the extent of damage at the Fukushima Dai-ichi nuclear power plant in Japan. The 40-foot-tall tsunami destroyed the electrical and cooling systems, resulting in meltdowns at some of the reactors. (AP)