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If you suffer from vertigo, you might want to give this attraction a miss.

Hovering over a dizzying 300-metre drop, Zhangjiajie Grand Canyon's glass-bottomed bridge, in China, is the world's highest see-through skywalk.

It's also the longest of its kind, stretching 430 metres.

The spectacular six-metre wide platform spans two cliffs in Zhangjiajie, a breathtaking national park located in the country's Hunan province.

Designed by Israeli architect Haim Dotan, it dwarfs America's Grand Canyon Skywalk, which is 21 metres long and 219 metres above ground.

(Image: Haim Dotan Ltd)

It takes the title of world's highest from Canada's Glacier Skywalk, which opened last year in Alberta, and is suspended at almost 300 metres.

Apparently, the bridge in Zhangjiajie - capable of holding up to 800 people at once - will also be used as a runway for fashion shows.

But if a stroll in the sky sounds a little tame, you could always brave the world's highest bungee jump, something else it will offer.

The bridge is due to open in July this year.

A designated tourist park, Zhangjiajie is said to have been the inspiration behind the planet Pandora in James Cameron's 2009 movie, Avatar.