A piece of tape marks where the liner of the Lincoln memorial reflecting pool is seen peeling on the National Mall in Washington, DC on July 27, 2026. The renovation of the pool next to Lincoln Memorial is a pet project of US President Donald Trump's, but the remodel has been dogged by the growth of algae and peeling paint which the president alleges is the work of vandals. (Photo by Kent Nishimura / AFP via Getty Images)