An Unusual Experience Last Sunday英语作文

I had an unusual experience last Sunday.I took a bus to the park.But on my way to the park,I saw two old men standing on the bus.At that time,a little boy offered a seat to an old man.I felt shame.About two minutes later,I decided to provide my seat for an old man.When the old man sat down,he said thanks to me.I felt very happy and excited.This is my unusual experience!