Federal authorities investigate giant ‘8647’ markings on National Mall

Federal authorities investigate giant ‘8647’ markings on National Mall NBC News Huge ‘8647’ etched into grass on the National Mall, aerial images show CNN Giant ‘8647’ anti-Trump markings appear in US capital South China Morning Post Giant ‘8647' numbers appear on National Mall grass NBC4 Washington Large etchings of numbers signaling opposition to Trump appear on National Mall The Washington Post