Singapore Sports Hub claims world's largest free-spanning dome

Measuring 1,017-feet across, the national sports stadium within the Singapore Sports Hub is the world’s largest free-spanning dome, Dezeen reports.

The retractable dome can open and close to adjust the stadium’s interior with the island-nation’s capricious tropical climate.

The stadium, located in Singapore’s waterfront Kallang area, opened in June 2014. It was designed by a group of engineers and designers from Arup, DP Architects, and AECOM as part of the 86-acre sporting complex.

The stadium seats 55,000 people underneath its canopy, which is kept open when the stadium is not in use to help keep the grass pitch in good condition.

The retractable roof sections are made from translucent ETFE plastic, and the panels are supported with metal rigging that arches over the main pitch.

The stadium hosts a range of sports activities, such as cricket and rugby, and is the home base of Singapore’s national football team.

Find out more on Dezeen.

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