Boston.com
As the sun sets in Uvalde, Texas, visitors take in the evening spectacle at one of the entrances to Frio Cave, as tens of thousands of Brazilian free-tailed bats emerge for a night of insect hunting.
As the sun sets in Uvalde, Texas, visitors take in the evening spectacle at one of the entrances to Frio Cave, as tens of thousands of Brazilian free-tailed bats emerge for a night of insect hunting.
(Mark Wilson / Globe Staff)
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