Son Doong cave is the largest natural cave world. Son Doong cave, Phong Nha caves Ke Bang print was printed 1991. Discovered inside the cave with underground river flows along the grotto makes people feel like there is a beach fit in the cave. above the cave was a large loophole for sunlight from entering additional shimmering seem mysterious. Huge stalactites everywhere present within them, and millions of stones formed by the flow through hundreds of years. Loss of natural decline has given Son Doong a forest ecosystem and separate mysteries below.
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