Cavers discover snakes and waterfalls inside Yemen's infamous 'Well of Hell' in world-first descent
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Cave explorers from Oman have become the first people to fully explore the infamous 'Well of Hell' sinkhole in Yemen.Cavers discover snakes and waterfalls inside Yemen's infamous 'Well of Hell' in world-first descent
Cave explorers from Oman have become the first people to fully explore the infamous 'Well of Hell' sinkhole in Yemen. Read more