COLOGNE, GERMANY - MARCH 23: A view of Cologne Cathedral during the lights are turned off in observance of the Earth Hour environmental campaign in Cologne, Germany on March 23, 2024. Earth Hour, organized by the World Wildlife Fund (WWF), takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for an hour to raise awareness of the dangers of climate change. Kadir Ilboga / Anadolu