Son doong

#vietnamtrip Son Doong Cave, located in Phong Nha-Kẻ Bàng National Park in Vietnam, is one of the largest and most spectacular caves in the world. Discovered in 1991 and opened to the public in 2013, it features an expansive main chamber that is over 5 kilometers long, 200 meters wide, and 150 meters high. The cave includes its own river, rainforest, and unique geological formations. Trekking through Son Doong requires a multi-day guided expedition, and it's known for its breathtaking landscapes and challenging terrain. It has gained recognition for its stunning natural beauty and impressive scale.