Very few people are lucky enough to have the chance to witness the world’s greatest natural wonders. Son Doong, in Vietnam, is a great example of that.
This enormous cavern, the largest in the world, contains one of the planet’s oldest, most pristine ecosystems and is undoubtedly one of the most spectacular sights on earth.
Tiếp tục đọc “The world’s largest and most beautiful cave is under threat from a cable car”
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