A demonstrator holds up a Black Lives Matter sign in front of the statue of President Abraham Lincoln at the Lincoln Memorial during the "Get Your Knee Off Our Necks" Commitment March on Washington 2020 at the spot where Rev. Martin Luther King Jr. delivered his "I Have a Dream" speech 57 years ago today in Washington, U.S., August 28, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY