Do you believe this biblical event? was it physical?

Daniel 3:22-25

22Therefore because the king's commandment was urgent, and the furnace exceeding hot, the flames of the fire slew those men that took up Shadrach, Meshach, and Abednego.

25He answered and said, Lo, I see four men loose, walking in the midst of the fire, and they have no hurt; and the form of the fourth is like the Son of God.

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1) Flames so hot it killed the King's servants but did the Lord's servants no harm and you believe this to be physical?

2) If the King alleged that he seen a four man in the fire loose with the other three thrown in and the fourth has the form of the "Son of Man", would he be seeing that glorious form of the son of man with physical eyes?

Matthew 17:2-9

2And was transfigured before them: and his face did shine as the sun, and his raiment was white as the light.

And as they came down from the mountain, Jesus charged them, saying, Tell the vision to no man, until the Son of man be risen again from the dead.

3) According to these passages the "Son Of Man" was TRANSFIGURED before them and they all saw his glorious form in a vision?

4) Is this how it was possible for the king to see the form of the son of man?

5) If so, wouldn't that mean the fire these men was casted into wasn't a physical fire and that which smote the king's servants also wasn't physical?

6) If that's how it happened, wouldn't that mean the king saw these things in a vision or dream and by that means there were no harm to Shad, Me and Abed, nor any smell of smoke upon them because the thing wasn't physical as it reads?