Did china buy property in Lebanon?, they did all around the world…
>"They heard a loud boom and then felt the ground shake"
No she said:
"They heard a loud boom and felt the ground shake"
You added the "then"
why?
See this:
Even if the explosion happened on the second floor in the building, a witness two blocks away would experience the ground shaking.
I don't think there's anything pointing to a clear conclusion that there was an underground explosion, but that's just me.