All the damage looked to be superficial so it probably was something that made a nice boom and flash but lacked enough ass to do any real damage.
Look again. 41 businesses damaged or destroyed. Windows punctured 7 blocks away. At least one building completely crushed that transferred through the adjacent buildings for two blocks.
Just a sample................ https://www.foxnews.com/us/nashville-building-damage-christmas-bombing-photos (foxnews.com)
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