Marching Confederate soldiers cheer for General Robert E. Lee as he passes on horseback in a Civil War reenactment.

General Robert E. Lee rides a horse past cheering Confederate soldiers in a Civil War reenactment.

Union soldiers march with Union flags during the Civil War.

Confederate soldiers carry a Confederate flag as they ride away.

Confederate soldiers fire a canon during the Civil War.

Women at the pump in Juba, the capital of South Sudan

The closest village, Abel, was also shelled by the Syrian military. After four days without fighting, families were just beginning to return. We could still hear the Syrian army shelling the village of Kfar Aya nearby.Mohammed also took...

Clinic with city's doctor - the hospital in Qusayr has been a military base for the last 7 months, leaving people with only this clinic. Civilian clinic in Syria on April 19, 2012 in Qusayr, Syria (Footage by Getty Images)

A gunfight between members of the Free Syrian Army and a Christian family, in the town of Al Qusayr, Syria. During a demonstration after the Friday prayers, members of a Christian family opened fire on the demonstrators, wounding six,...

Residents of Al Qusayr, take part in nighttime neighborhood demonstrations against President Bashir Al Assads regime, following the evening prayers. Filmed on February 29th, 2012 in Al-Qusayr, Syria (Footage by John P. Roberts/Getty Images)

A resident of Al Qusayr, arrives at the field hospital having been shot on the street where he lives by a sniper. Immediate surgery was required, the man survived. Filmed on 22nd February, 2012 in Al-Qusayr, Syria (Footage by John P....

Everyday life scenes from Al Qusayr, a Syrian town between Homs and the Lebanese border, mostly controlled by the Free Syrian Army but under siege by President Bashir Al Assad's Army. Shotlist - Panoramic view of the city, mosque and...

Injured residents of Al Qusayr receive treatment in the field hospital following shrapnel and bullet wounds from shelling and sniper fire by President Assads Army. The field hospital is the only operating facility in the town, since the...

Friends and family members mourn the death of Mohammad Ammar, killed by heavy artillery shelling while delivering supplies to the front lines and evacuating wounded. Ammar is one of 150 residents killed in Qusayr. Since September 2011...

WS View of cannons and statue of general winfield scott hancock gettysburg battlefield / Gettysburg, Pennsylvania, United States

The Lincoln Memorial in Washington DC

The Lincoln Memorial in Washington D.C.

Driving down street / 70 West and 15 North / Welcome to Pennsylvania Sign / Group Tour / Passionate Female Ranger / Tulpehocken Inn / Gettysburg Battlefield Historic District on June 01, 1973 in Adams County, Pennsylvania (Footage by...

Day Street Scenes in Homs

Civil War veterans listen with hands to their ears.

CLEAN: Exterior shots of Buddhist monks praying outside Preah Khan temple at Angkor Wat on April 27th, 1998 in Phnom Penh, Cambodia.

Title card: 'Lad Unveils A Soldier Tribute, Charlotte, NC - Great grandson acts in ceremony for Gen. Stonewall Jackson' / Thomas Preston, great-grandson of Gen. Thomas 'Stonewall' Jackson, and Nancy Palmer Stitt, great-granddaughter of...

Title card: "Confederate Veterans hold 44th reunion" / Cavalry with white horses and the parade behind passing numerous shops; a group of people on a stage / A long line of supply wagons pulled by horses / An equestrian statue of Robert...

Syrian refugee family displaced by Civil War