I'll be back after I change pants.
Evidently you found your pants if you just had to change them. Also, I didn't know you had more than one pair of pants.
This was a headquarters building explosion, not a refinery.
It's in Mexico City and I was there not long after an earthquake there in downtown Mexico City and a building was collapsed. I was told it collapsed during the earthquake because part of its building materials was plastic foam instead of steel. After hearing that, I don't trust any building in Mexico City to stand up very long if there is any kind of outside stress.