LONGEST CAVE (Mexico)
Divers near Tulum, Mexico, have discovered the world's longest underwater cave system. The 347-kilometre long Sac Actun cave was identified by the team of the Gran Acuifero Maya Project. It's almost seven times as long as the English Channel Tunnel!
Divers near Tulum, Mexico, have discovered the world's longest underwater cave system. The 347-kilometre long Sac Actun cave was identified by the team of the Gran Acuifero Maya Project. It's almost seven times as long as the English Channel Tunnel!
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