Dezeen editor-in-chief Marcus Fairs talks to Wilkinson Eyre Architects' Paul Baker in this interview filmed just moments after the firm's Gardens by the Bay project in Singapore was named World Building of the Year at the World Architecture Festival in October.

In the movie, Baker explains that to build cooling greenhouses in the tropics was "an extraordinarily tough thing to do" and required "proper collaboration, not the genius idea". The two structures are the largest climate-controlled greenhouses in the world and include a 30-metre-high man-made waterfall.

The winners were announced at the Marina Bay Sands hotel and conference centre, which is situated next to the Gardens by the Bay.

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