[1/18]
Buckingham Palace is shown with lights switched on ahead of Earth Hour in London. REUTERS/Hollie Adams

LONDON, UNITED KINGDOM

[2/18]
Buckingham Palace is shown with lights switched off as part of Earth Hour in London. REUTERS/Hollie Adams

LONDON, UNITED KINGDOM

[3/18]
The ancient Colosseum before and after the lights were switched off for Earth Hour in Rome, Italy. REUTERS/Remo Casilli

Rome, Italy

トレンド写真
[4/18]
The Grand Palace is seen with lights on before Earth Hour in Bangkok, Thailand. REUTERS/Chalinee Thirasupa

BANGKOK, THAILAND

[5/18]
The Grand Palace is seen with lights off during Earth Hour in Bangkok, Thailand. REUTERS/Chalinee Thirasupa

BANGKOK, THAILAND

[6/18]
The ancient Parthenon temple atop the Acropolis hill before and after the lights were switched off for Earth Hour in Athens, Greece. REUTERS/Louiza Vradi

ATHENS, GRC

トレンド記事
[7/18]
Big Ben is shown with lights switched on after Earth Hour in London. REUTERS/Hollie Adams

LONDON, UNITED KINGDOM

[8/18]
Big Ben is shown with lights switched off as part of Earth Hour in London. REUTERS/Hollie Adams

LONDON, UNITED KINGDOM

[9/18]
The India Gate before and after the lights were turned off for Earth Hour in New Delhi, India. REUTERS/Sharafat Ali

DELHI, INDIA

[10/18]
The Sydney Opera House before and after lights were switched off for the Earth Hour in Sydney, Australia. REUTERS/Nikki Short

Sydney, AUSTRALIA

[11/18]
The Chhatrapati Shivaji Maharaj Terminus (CSMT), formerly known as Victoria Terminus, before and after the lights were turned off for Earth Hour in Mumbai, India. REUTERS/Hemanshi Kamani

MUMBAI, INDIA

[12/18]
The Cologne Cathedral, a UNESCO World Heritage Site, and the Hohenzollern railway bridge across the river Rhine are seen shortly before Earth Hour in Cologne, Germany. REUTERS/Jana Rodenbusch

COLOGNE, Germany

[13/18]
A person takes a picture of the Cologne Cathedral, a UNESCO World Heritage, with the lights turned off, next to the Hohenzollern railway bridge across the river Rhine during Earth Hour in Cologne, Germany. REUTERS/Jana Rodenbusch

COLOGNE, Germany

[14/18]
The Merlion Park before and after lights were switched off in the central business district for Earth Hour in Singapore. REUTERS/Edgar Su

Singapore, SINGAPORE

[15/18]
St Alexander Nevsky cathedral before, during and after turning off of the lights for Earth Hour, in Sofia, Bulgaria. REUTERS/Stoyan Nenov

SOFIA, BULGARIA

[16/18]
Buckingham Palace is shown with lights switched on ahead of Earth Hour in London. REUTERS/Hollie Adams

LONDON, UNITED KINGDOM

[17/18]
Buckingham Palace is shown with lights switched off as part of Earth Hour in London. REUTERS/Hollie Adams

LONDON, UNITED KINGDOM

[18/18]
A drone view shows the ruins of the ancient Parthenon temple atop the Acropolis hill with the lights turned off during Earth Hour, in Athens, Greece. REUTERS/Stelios Misinas

ATHENS, GREECE

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