The Grand Palace is seen with lights on before Earth Hour in Bangkok, Thailand, March 23, 2024. REUTERS/Chalinee Thirasupa
Buckingham Palace is shown with lights switched on ahead of Earth Hour in London, Britain, March 23, 2024. REUTERS/Hollie Adams
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, March 23, 2024. REUTERS/Jana Rodenbusch
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, March 23, 2024. REUTERS/Jana Rodenbusch
Buckingham Palace is shown with lights switched off as part of Earth Hour in London, Britain, March 23, 2024. REUTERS/Hollie Adams TPX IMAGES OF THE DAY
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, March 23, 2024. REUTERS/Stelios Misinas TPX IMAGES OF THE DAY
Big Ben is shown with lights switched off as part of Earth Hour in London, Britain, March 23, 2024. REUTERS/Hollie Adams
The Grand Palace is seen with lights off during Earth Hour in Bangkok, Thailand, March 23, 2024. REUTERS/Chalinee Thirasupa
Big Ben is shown with lights switched on after Earth Hour in London, Britain, March 23, 2024. REUTERS/Hollie Adams
Earth Hour: Before and after
