From 8.30pm to 9.30pm on Saturday March 28th, much of Spain was plunged into darkness as some of the country’s most famous sites turned off their lights to celebrate Earth Hour.
The World Wildlife Fund for Nature (WWF) initiative aims to draw people’s attention to climate change and highlight the need for action.
Madrid's Royal Palace was plunged into darkness during Earth Hour.
The WWF estimates that over 1,400 of the world’s most iconic landmarks switched their lights off during Earth Hour, including the Eiffel Tower and Madrid’s Royal Palace.
Another Spanish landmark to switch off its lights was the New Bridge of Ronda, or the Puente Nuevo in the province of Málaga.
In January it was announced that Córdoba in southern Spain was one of the finalists in the Earth Hour City Challenge, which rewards the best initiatives against climate change around the world.
It is the first time Spain has taken part in the annual challenge after Córdoba launched the initiative Córdoba LUZe, which, according to its website, aims to "convert the city of Córdoba into an energy efficiency pioneer".
The overall winner will be announced in a ceremony in Seoul, South Korea on April 9th.