दुनिया की सबसे बड़ी गुफा, अंदर बन सकती हैं 40 मंजिला इमारतें

वियतनाम की इस गुफा को सोन डुंग गुफा के नाम से जाना जाता है

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एक पूरा शहर बसाया जा सकता है इस गुफा के अंदर

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एक लकड़हारे ने 1991 में की थी इस रहस्यमयी गुफा की खोज

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गुफा सोन डुंग की ऊंचाई 200 मीटर और लंबाई करीब 5 किमी है

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गुफा में कई भूमिगत बहती नदियां घने जंगल और बहुत सी खाई भी है

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हर साल में केवल एक हजार सैलानियों को ही अंदर जाने की अनुमति मिलती है

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साइंटिस्ट अब तक गुफा के केवल 40 फीसदी इलाके तक ही पहुंच पाए हैं

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