"Natural wonders like...Son Doong Cave have to be preserved for our children and our grandchildren."

- Barack Obama, Former US President

"Discovering Son Doong is like finding a new Mt Everest. There's nothing else like it in the world."

- Howard Limbert, Leader Of The First Expedition To Sơn Đoòng

"Son Doong is like a hidden treasure. It's been forming for millions of years and remains in pristine condition. This is what makes it so special."

- Huong Nguyen Thien Le, Co-Founder Save Son Doong