World's Scariest Bridges
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Iya Valley Vine Bridges, Japan
Shikoku, the smallest of Japan’s four main islands, is home to three vine bridges. The originals were built with slats of wood placed between 7 and 12 inches apart, secured in place with two single vines. While the new bridges are reinforced with wire and hand rails, they’re still not for the faint of heart.
Where: Tokushima, over the Iya-gawa River
Stats: 148 feet long; 46 feet high.