Combo photo shows the skyscrapers of the Makati business district before and after lights are dimmed during the Earth Hour event in Makati City, the Philippines, March 30, 2019. "Earth Hour" is a global initiative first launched by World Wildlife Fund (WWF) in 2007 and soon became a popular movement worldwide. From 8:30 to 9:30 pm on every last Saturday of March, individuals, communities, enterprises and government departments around the globe are encouraged to turn off their lights for an hour, with the purpose of inspiring reflections and actions regarding environmental issues. (Xinhua/Rouelle Umali)