The cave is, on average, 656 feet (200 m) high and nearly 500 feet (150 m) wide. In 2019, Han Son Doong's known size increased greatly when an underwater tunnel connecting the cave to another cave was ...
Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world. When you purchase through links on our site, we may earn an affiliate commission ...
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