I don’t know from when I started to be used to taking metro from one place to another place.

Since metro goes into our daily life， people in Shanghai gradually prefer to take metro for their daily transportation.

Why do we seldom take public bus now?

You may say that metro is much more convenient. Yes.

There’re so many metro lines in Shanghai now and the metro network can lead us everywhere you want to go.

Besides， the temperature inside the metro always balances well at all seas ( all the year round).

We don’t need to care about what’s happening outside， raining， snowing or blowing strongly.

Then， people all come to take metros. More and more take part in the Metro-Taking team.

Then， what would you guess would happen next? Traffic. You hit it.

Every Monday morning， I arrive at Shanghai Railway Station around 8:00 am to wait for line 4 heading to Hailun road.

If you were there， you will be shocked about the quantity of how many people waiting there.

Sometimes， you might have to wait for a long time at the crowded station.

At this moment， I think you won’t have any feeling of convenience.