located in Arlington County, Virginia, across the Potomac River from Washington, D.C is the PENTAGON.
Each year, the Pentagon grounds are a major focus for hosting the Marine Corps Marathon and the Army Ten-Miler running events.
Daily Celestial Challenge #Wednesday-Structure
Hello people!! Its yet another day of #celestialchallenge which was initiated by 
Here's my entry for Today's theme which is structure.
thank you
Daily Celestial Challenge
Sunday = Light
Monday = Darkness
Tuesday = AnimalKingdom
Wednesday = Structures
Thursday = ForcesinNature
Friday = LoveBeautyFreedom
Saturday = Agriculture
More can be found on his blog:https://steemit.com/celestialchallenge/@sirknight/sirknight-s-daily-celestial-challenge-new-for-all-steemian