What kind of spectacle is the explosion of tens of thousands of tons of flammable and explosive materials? Everyone's perspective is different, and the conclusions and viewpoints they reach also vary, but "terrifying and spectacular" is the consensus among all.
People may never know the exact location where the first explosion occurred. But the subsequent explosion seems to have ignited the storage warehouse of the army's 280mm siege mortar propellant. Those extremely sensitive smokeless powders immediately started to explode, almost simultaneously generating extremely high pressure, as the high-temperature and high-pressure gas blasted through the warehouse walls, rushing into the adjacent storage.
