It was a sobering afternoon. After visiting Miyajima, Kongo headed to downtown Hiroshima to see the Peace Memorial Park. memorializing that day in August, 1945 that ushered in the Atomic Age.  Although the bomb hastened the end of World War II and may have saved millions of lives had the Allies had to invade the Japanese islands, hundreds of thousands were killed instantly in the explosion and by the effects of radiation in the following years. The iconic A-Bomb Dome used to be an industrial hall for the Hiroshima prefecture.  The shell of the building was only a few hundred…