Earth Hour sees lights go out around the world - in pictures

The Empire State Building stands unlit to mark Earth Hour in New York. EPA
The Empire State Building stands unlit to mark Earth Hour in New York. EPA
Christ the Redeemer statue in Rio de Janeiro, Brazil. The goal was to bring attention to the climate crisis. EPA
Christ the Redeemer statue in Rio de Janeiro, Brazil. The goal was to bring attention to the climate crisis. EPA
The sustainability Pavilion at Expo 2020 Dubai. EPA
The sustainability Pavilion at Expo 2020 Dubai. EPA
The Palacio Real in Madrid. AFP
The Palacio Real in Madrid. AFP
The Cathedral St Pierre in Geneva, Switzerland. EPA
The Cathedral St Pierre in Geneva, Switzerland. EPA
The Colosseum in Rome. EPA
The Colosseum in Rome. EPA
The Brandenburg Gate in Berlin. EPA
The Brandenburg Gate in Berlin. EPA
Humayun's Tomb in New Delhi. Reuters
Humayun's Tomb in New Delhi. Reuters
The Chhatrapati Shivaji Terminus railway station in Mumbai. AFP
The Chhatrapati Shivaji Terminus railway station in Mumbai. AFP
A star ferry crosses Victoria Harbour in Hong Kong. AFP
A star ferry crosses Victoria Harbour in Hong Kong. AFP
Kuala Lumpur's skyline with the Petronas Towers in Malaysia. Reuters
Kuala Lumpur's skyline with the Petronas Towers in Malaysia. Reuters
The Temple of Dawn in Bangkok. Reuters
The Temple of Dawn in Bangkok. Reuters
The Supertree Grove at Gardens by the Bay in Singapore. Reuters
The Supertree Grove at Gardens by the Bay in Singapore. Reuters
Seoul City Hall in South Korea. AFP
Seoul City Hall in South Korea. AFP
Namsan Seoul Tower. AFP
Namsan Seoul Tower. AFP
The Sydney Opera House. Reuters
The Sydney Opera House. Reuters
Sydney Harbour Bridge. Reuters
Sydney Harbour Bridge. Reuters