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Thursday, October 28, 2010 |
Thursday, October 28, 2010 |
Photo: Grand Canyon's Glass Walkway to Open Next MarchThe Native American tribe building the walkway hopes to bring in valuable tourist dollars that will bolster the local economy. But some members and residents worry that the structure will be doomed by its support system—steel poles drilled 40 feet (12 meters) into the porous canyon wall. Photograph courtesy Destination Grand Canyon
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