Rewrite the headings using passive forms. 1. tomb of first emperor located near xiang. 2. over 8,000 soldiers estimated to exist. 3. army buried over 2,000 years ago. 4. archaeologists amazed by discovery in 1974. 5. site protected by unesco for future generations. 20 .
2 Over 8000 soldiers were estimated to exist.
3 Army was buried over 2000 thousands years ago.
4 Archeologists were amazed by discovery in 1974.
5 Site is protected by UNESCO for future generations.