Both those symbols are no longer theirs.
If you follow Massachusetts up over Lincoln and Stanton Parks, around the Obelisk and up to Major General Friedrich Wilhelm von Steuben Statue. a Prussian soldier who joined the Continental Army and instructed the American forces in Prussian military discipline and tactics, allowing them to gain skills necessary to challenge British forces. The church Biden is at is on Rhode Island Ave to the SW from that statue…
Thanks for the heads up