C875 What Is Alzheimer's Disease

Zhan Yuanpei woke up on the plane.

When the old man was conscious, he woke up on the plane. His consciousness was like a poison that had drank clean water. For a certain period of time, he would forget what he had done and said.

The sky outside was very blue, and the wind seemed to be very sweet, but in his heart, it was a cloudy day.

He could not remember what he had done