I saw Stone Pagoda at Mireuksa Temple Site, which is located near my maternal grandmother's house. I saw it a few years ago and it was under construction. The pagoda was built nearly 2000 years ago so I was overwhelmed. I must have learnt something there but I can't remember. Later, I heard something is found inside the pagoda but I don't remember what it was.

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-T.Jhozel 

I saw Stone Pagoda at Mireuksa Temple Site, which is located near my maternal grandmother's house. 

>> The Stone Pagoda at Mireuksa Temple Site, which is close to the home of my mother's grandmother, caught my attention. 

I saw it a few years ago and it was under construction. 

>> Correct!

OR: It was still under construction when I last saw it a few years ago.

The pagoda was built nearly 2000 years ago so I was overwhelmed. 

>> Correct!

OR: I was overwhelmed by the fact that the pagoda had been built nearly 2000 years ago. 

I must have learnt something there but I can't remember. 

>> Correct!

OR: I think I learned something there, but I can't remember. 

Later, I heard something is found inside the pagoda but I don't remember what it was.

>> Correct!

OR: Later, I heard that something was discovered inside the pagoda, but I can't remember what it was.