Lights go out at Petronas Twin Towers during Earth Hour

KUALA LUMPUR: The lights at Malaysia's iconic building the Petronas Twin Towers and many other buildings went out for 60 minutes in support of Earth Hour.

Earth Hour is an annual world wide event, organised by the World Wide Fund for Nature, encouraging households and businesses to switch off their non-essential lights for an hour to raise awareness about the need to act on climate change.