The man's smile froze on his face, and his mouth twitched a few times as he swallowed hard, "How...how is this possible."
Some young men and women all showed shocked expressions.
This man, skeptical, ran to the nearby table, picked up someone else's cup, and squeezed it hard with both hands, but no matter how hard he tried, he couldn't break it.
At this moment, the elderly man in front of him said, "Young man, there are too many things in this world that you are unaware of."
Still unbelieving, he handed his unbreakable cup to the beautiful hostess, "If you can crush it, I'll believe you have skills."
So with a "crack," another cup was shattered.
In the astonished gaze of the crowd, the hostess calmly had the fragments removed and returned to the center stage, "Now, may I continue with the introduction of the origins of the ancient bronze?"
No one answered, but that young man stammered, "Yes...yes..."
