
July 29, 2008
Tonto Natural Bridge, measuring 183 feet high and spanning a
400-foot long tunnel that stretches 150 feet at its widest point,
is believed to be the largest travertine bridge in the world.

July 29, 2008
Tonto Natural Bridge, measuring 183 feet high and spanning a
400-foot long tunnel that stretches 150 feet at its widest point,
is believed to be the largest travertine bridge in the world.
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