The world's longest glass-bottomed walkway opened in China's Hunan province last week, after the old wooden panels of the Haohan Qiao suspension bridge were replaced with transparent glass frames.

Towering 180 meters over a scenic canyon in Shiniuzhai Geopark, the structure is billed as a walk for thrill-seekers and nature buffs alike.

But is it safe? Though the first batch of tourists on site said they could feel the bridge wobbling beneath them, the 11 engineers who built the Haohan Qiao swear by the bridge's solidity. Each glass frame is 24mm thick and 25 times stronger than your average window pane. Engineers even installed thin steel beams to ensure that if the glass were to shatter, walkers wouldn't actually fall through.
Glass Suspension Bridge, Hunan, China

But if you're walking for the bragging rights, remember that this is just the latest of China's increasingly popular glass-bottomed tourist attractions.

An even longer and taller glass-bottomed bridge is set to open in Hunan's Zhangjiajie Grand Canyon later this year (measuring an extreme 300 meters high and 430 meters long). Here's hoping that one feels a little less wobbly.

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