Singapore's supertrees
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Queen's Baton Relay: 'Supertrees' lightshow in Singapore

The 'supertrees' of Singapore are the central attraction of the Gardens by the Bay, an energy-efficient district of the bustling city state.

During the day, the man-made structures, which mimic real trees, gather energy through solar panels. At night, they come to life and form a spectacular lightshow.

The project, opened in June 2012, was built to highlight the dominant urban landscape of Singapore.

Presenter Mark Beaumont finds out more about the environmental project.

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