Sentence Examples

  • Colonies of swiftlets are also known to roost in at least three limestone sinkholes.
  • Day 6: We'll start the morning with a stroll around the huge sinkhole above another cave at Skocjan.
  • Gordon Warrick at one of the larger sinkholes, Bitter Lake National Wildlife Refuge.
  • Sometimes the water enters the ground through huge holes called sinkholes.
  • Sinkholes formed by cave-ins over the underground rivers common in the region.

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