3.each of them is with a circle of bells called stupa.(paragraph 2) What does the word them refer to? Jwb 1-3 jngn ngasal

1. What does the text mainly tell us about?
The text mainly tells us about the description of Borobudur Temple.
2. What is the main idea of the first paragraph?
The main idea is the general things of Borobudur Temple.
3. What does the word 'them' refer to?
The word them refers to the upper three terraces.