In 1991, a Vietnamese farmer stumbled upon an unexplored cave in Phon Nha-Ke Bang National Park, known to locals but inaccessible due to its perilous nature. The cave held fascinating secrets – strange limestone formations, ancient-looking stalactites, and a cooler, mystical atmosphere. The complex cave system became a global attraction for scientists and explorers. I

t remains a treasure within the park, where tourists can now marvel at the unique rock formations and venture into its twisting corridors. British researchers in 2009 uncovered the world’s largest network of tunnels and caves in Soon Dong, stretching 5 km long and 150 m wide. The cave boasts a stunning geological history with minerals, stalactites, and stalagmites formed over millions of years. Soon Dong holds spiritual significance for locals and is a testament to humanity’s connection with nature. It also features beautiful landscapes, a river, distinct wildlife, and lush foliage. To truly appreciate this subterranean wonder, one must witness it firsthand, as words and photos can’t capture its full magnificence.