升腾岛国的蘑菇云──美国原子弹袭击日本广岛、长崎内幕文／陈汉忠叔木１９４５年８月６日８时６分，日本广岛上空，随着３架美国飞机掠过的炸雷般的轰鸣声．半空中爆起一个直径约１５０米的巨大火球，顷刻间，黑色蘑菇云冉冉升腾，飓风般的冲击波，将一排排高大的建筑物... Mushroom cloud rising in the island nation - U.S. atomic bomb attacks on Hiroshima, Nagasaki, Inside Story of Nagasaki / Chen Hanzhong At 8:06 on August 6, 1945, over the island of Hiroshima, Japan, with the thunderstorm of three U.S. planes passing by. Half a sky burst of a huge fireball about 150 meters in diameter, an instant, black mushroom clouds rising, hurricane-like shock waves, the rows of tall buildings ...