Breaking Free
Envirosight LLC ROVVER robotic crawler and QuickView zoom camera

The star of an April 1 weekend reenactment of a famous prison escape at Philadelphia's Eastern State Penitentiary became the escape tunnel itself, excavated by archaeologists with images projected on-screen by Envirosight LLC. Using its ROVVER robotic crawler and QuickView zoom camera, the Envirosight team, guided by archaeologist Rebecca Yamin of John Milner Associates, pinpointed a remaining section of the 97-foot tunnel and sent back color images.

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