Children shake rattles in an echolocation game

June 16, 2012 | 4:38 p.m. CDT
Christian Jones, left, and Jymond Shabaka play an echolocation game based on the children's game Marco Polo before going to the Devil's Ice Box to view wild bats on Friday at Rock Bridge Memorial State Park. During the game, one individual shakes a rattle and the other players shake their rattle in return. The first shaker then chases the second one. Players use their sense of hearing to try and tag each other.

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