It is advised not to stand near a running train. Why?

Explanation

To understand why it is advised not to stand near a running train, we can analyze the situation using principles from physics, particularly fluid dynamics and pressure differences.

### Step-by-Step Solution:

1. **Understanding the Motion of the Train**:
- A running train moves at high speed, creating a significant amount of air displacement around it.

2. **Air Movement and Velocity**:
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