In the United States, on the 25th of May, a white police officer kills George Floyd, a black men. This homicide raised awareness on the issue of race worldwide. Founded in the United States in 2013 by three women after the murder of the black teenager Trayvon Martin, the Black Lives Matter movement is spreading though the world, from social media to the streets. Silence is betrayal. It's time to be actively anti-racist. This post is addressed to white people.