United Nations Goes Dark for Earth Hour

[youtube https://www.youtube.com/watch?v=5_9umnnasX4]
The United Nations building in Manhattan went dark for Earth Hour. The view was very astounding. Here’s a photo:
03-25-2017-UNHQ_earthhour
What exactly is Earth hour? Well, Earth Hour was 25 March 2017 at 8:30pm. Each year millions of people around the globe attempt to switch off electricity for Earth Hour to shine a light on the need for climate action.