Families learn about bats at Rock Bridge Memorial State Park

Saturday, July 17, 2010 | 2:43 p.m. CDT; updated 4:18 p.m. CDT, Saturday, July 17, 2010

COLUMBIA — After a quarter-mile hike to the Devil’s Icebox Cave entrance Friday evening, the chatter stops — a feat for some children — and the flashlights are switched off. Chirping cicadas and occasional twig snaps break the silence, and fireflies are now the sole light source against the glow of the fading sun.

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