Pro-Palestinian protesters marching towards the White House - [ Washington/Arlington/Chillum/Takoma Park/Hyattsville/Silver Spring/Hillcrest Heights/Baileys Crossroads/Bethesda/Langley Park/Alexandria/East Riverdale/College Park/Adelphi/McLean/Woodlawn/Lincolnia/Jefferson/Rose Hill/Camp Springs/Idylwood/White Oak/Groveton/Annandale/Franconia/Tysons Corner/North Bethesda/Greenbelt/Hybla Valley/Beltsville/Springfield/Clinton/Potomac/West Springfield ]