Thrill-seekers will rate it as one of the best observation decks in the world while the less adventurous might say it is a bridge too far . If you suffer from even the slightest vertigo then this new 'Skywalk ' observation deck in Yunyang County , southwest China , is probably best kept off any list of potential holiday destinations . The cantilevered platform in Chongqing will give visitors a 720 degree view of the canyon below - all while standing at a vantage point 1123 meters above sea level , reports the People 's Daily . Overhang : The cantilevered platform in Chongqing measures 27 metres from the edge of the cliff and 718 metres above the river in the basin below . The spectacular viewing area protrudes nearly 27 metres from the cliff face at the Longgang scenic area - which is five metres longer than a similar tourist attraction at the Grand Canyon in America . Work on the £3.7 million structure started in March last year and workmen can still be seen putting the finishing touches on the terrifying stage . Under construction : Workman stand on the incredible new viewing platform in Yunyang County , China . The observation deck on a 718-metre cliff will be open to anyone who dares in May . Daredevils will no-doubt flock to the transparent structure to get a dizzying peak at the valley floor , a staggering 718 metres below them . It will open to anyone who is brave enough to venture out in May . Daredevils : Construction workers at the £3.7 million skywalk in Yunyang county , China , put the finishing touches on the 900 tonne structure . Rival : The cantilevered platform in Chongqing , China , is five metres longer than the skywalk at the Grand Canyon , pictured .
The £ 3.7 metre structure is the longest structure in the world - a full 300 metres deeper than one at the Grand Canyon . The cantilevered bridges in Chongqing will give visitors a 720 degree view of the canyon below . Transparent barriers and glass barriers will ensure unobstructed view of natural viewing spot .