Arlington National Cemetery
Almost four million people per year visit theArlington National Cemetery across the Potomac River from Washington, D.C., where maintaining a constant vigil at the tomb of the unknown.Arlington National Cemetery is the site of the exchange of military protection around the clock every day. A coffin with the the first world war in addition to the Memorial placed body of the unknown soldier amphitheatre and a monument with a weight of more than 100 tonnes above on it was Veterans Day 1921 1932 buried.
