15. Trang An is a prominent place in Southeast Asia and the world which contains abundant archaeological evidences preserved almost well. (Reducing the relative clauses) 16. Visitors who are carried through the streams in small traditional boats can enjoy the beauty in the caves. (Reducing the relative clauses) ………………………………………………………………………………………… 17. For centuries, Hoi An had developed into a melting pot of various nationalities who came to the area and brought along their own cultures. (Reducing the relative clauses) ………………………………………………………………………………………… 18. He was the first man who left the burning building. (Reducing the relative clauses) ………………………………………………………………………………………… 19. The last person who leaves the room must turn out the lights. (Reducing the relative clauses) ………………………………………………………………………………………… 20. Antarctica is covered by a huge ice cap that contains 70 percent of the earth's fresh water. (Reducing the relative clauses) ………………………………………………………………………………………… 21. Johnny was the last applicant who was interviewed for a position in that energy station. (Reducing the relative clauses) (TIẾNG TÔI VANG RỪNG NÚI SAO KHÔNG AI TRẢ LỜI =((( )