Around the world, huge crowds of #globalclimatestrike demonstrators marched out of their schools, homes and workplaces carrying handcrafted signs demanding action on climate change ➡️ Swipe to see some of the best signs from Friday's marches. (📸: Spencer Platt/Getty Images, Maja Hitij/Getty Images, Glenn Hunt/Getty Images, Carsten Koall/Getty Images, Dan Kitwood/Getty Images and Greenpeace India/Twitter)