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| Earth Hour: Lights off to preserve the planet's environment | Earth Hour: Lights off to preserve the planet's environment |
| (about 1 hour later) | |
| The world's most famous landmarks are plunged into darkness for one hour every year. | The world's most famous landmarks are plunged into darkness for one hour every year. |
| The global Earth Hour campaign raises awareness about the impacts of climate change. It started in Australia in 2007 and is now observed by participants in 187 countries, according to organisers. | |
| Here are some major sites across the globe that dimmed their lights on Saturday 24 March 2018. | Here are some major sites across the globe that dimmed their lights on Saturday 24 March 2018. |
| Sydney, Australia - Harbour Bridge and Opera House | Sydney, Australia - Harbour Bridge and Opera House |
| Before | Before |
| During | During |
| Beijing, China - National Stadium (the "Bird's Nest") | Beijing, China - National Stadium (the "Bird's Nest") |
| Before | Before |
| During | During |
| Kuala Lumpur, Malaysia - Petronas Towers | Kuala Lumpur, Malaysia - Petronas Towers |
| Before | Before |
| During | During |
| Taipei, Taiwan - Taipei 101 | Taipei, Taiwan - Taipei 101 |
| Before | Before |
| During | During |
| Singapore - Supertrees at Gardens by the Bay | Singapore - Supertrees at Gardens by the Bay |
| Before | Before |
| During | During |
| New Delhi, India - India Gate | New Delhi, India - India Gate |
| Before | Before |
| During | During |
| Moscow, Russia - Christ the Saviour Cathedral | Moscow, Russia - Christ the Saviour Cathedral |
| Before | Before |
| During | During |
| Rome, Italy - Colosseum | Rome, Italy - Colosseum |
| Before | Before |
| During | During |
| Athens, Greece - Parthenon temple | Athens, Greece - Parthenon temple |
| Before | Before |
| During | During |