WHAT HAPPENED TO SON DOONG CAVE IN MAY 2015

28. - File thứ 1: 2nd-mid-term-test-e-9_23052021
File thứ 1: 2nd-mid-term-test-e-9_23052021
28. What happened to Son Doong Cave in May 2015? A. It was discovered by a local man named Ho Khanh. B. It was explored by the first tourist group. C. It became known internationally thanks to British cavers, led by Howard Limbert. D. A live programme featuring its magnificence was broadcast on ‘Good Morning America’ by the American Broadcasting Company (ABC).