Mumbai municipal corporation's headquarter building is seen lit, top, and then the same location in darkness when the lights are turned out for one hour.
AP
2/12
Sydney Harbour Bridge before and with their lights switched off in Sydney, Australia.
AFP
3/12
A general view of the Indian President House before (top) and after the lights were turned off in observance of the Earth Hour in New Delhi.
AFP
4/12
Tokyo Tower before and with its lights switched off in Tokyo.
AFP
5/12
The Petronas towers before and after the lights were switched off in Kuala Lumpur, Malaysia.
AFP
6/12
Tokyo Station before and with its lights turned off in Tokyo, Japan.
AFP
7/12
Marina Bay Sands hotel and resort before (top) and with the lights turned off in Singapore.
AFP
8/12
The Supertree Grove at Gardens by the Bay before (top) and after lights were turned off in Singapore.
Reuters
9/12
Hong Kong skyline before (top) and after the lights were turned off.
AFP
10/12
A general illuminated view of the Grand Palace before (top) and after the lights are turned off in Bangkok, Thailand.
AFP
11/12
The Temple of Dawn before (top) and after lights were turned off in Bangkok, Thailand.
Reuters
12/12
Kuala Lumpur's skyline, including Malaysia's landmark Petronas Twin Towers, before (top) and after the lights were turned off to mark Earth Hour, in Kuala Lumpur, Malaysia.