Tonight at 20:30 @astro_paolo is turning lights out at the Colosseum in #Rome for #EarthHour, @astro_andre will do the same on the Erasmus bridge in #Rotterdam. Will you join them and #Connect2Earth? More about what you can do to help protect our planet on https://t.co/5jPWB9YShm pic.twitter.com/7nMwENP4EZ

— ESA (@esa) March 24, 2018