many foreigner visit the Gwanghwamun Gate.
This place is famous place.
If you visit this place, you will see the statue of the greatest king in korea history.
We called 'Sejong the Great King'
Sejong the Great King made Hangul, a Korean alphabet.
There was no other purpose.
It was designed to make people read.
Furthermore, he was a righteous king and took good care of the people.
That's why Koreans call Sejong the Great king.