Frozen in their final act.
Archeologists discovered the remains of an old town in Italy which was hit by a volcano 79 A.D.. The fast moving cyroplastic flow cought its citizins off gaurd.
The hot pumice, ash, and debris quickly hardened around peoples' bodies, like a mold, preserving their final act.
But 1400 years ago it was stated in the Quran that Allah can freeze disbelievers motionless in Hell:
[Quran 36.67] And if We will, We can freeze them in their place; so they can neither move forward, nor go back.
God can freeze disbelievers motionless in Hell. Today we know that people of Pompeii were frozen in their final act by a volcano. Lava, hot ash... from the volcano are the same stuff portrayed in Hell in the Quran.
How could an illiterate man who lived 1400 years ago have known that people can be frozen in their final act?