The Ali-Sadr Cave, located in the western Iranian province of Hamedan, is among the largest aquatic caves in the world. Scientists believe the cave was formed in the Jurassic period. (IRNA Photos/Adel Bakhoda)
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The Ali-Sadr Cave, located in the western Iranian province of Hamedan, is among the largest aquatic caves in the world. Scientists believe the cave was formed in the Jurassic period. (IRNA Photos/Adel Bakhoda)
9376**9417**4261
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