Years later, land mines, rockets and improvised explosives remain a threat. Here's what we saw.
After decades of war, Angola is littered with dozens of different types of land mines. Some estimate there were up to a million buried there.
Here are some of the hidden weapons we saw.
A Czech-made PT-Mi-Ba lll antitank mine found in Cuito Canavale.
A Russian-made PMN-2 antipersonnel land mine.
There are also lots of improvised explosive devices, rigged together with TNT and detonation cord.
This Soviet-manufactured OZM mine would typically have a tripwire fixed to the pin above ground.
This PP MI-SR antipersonnel mine is very difficult to see. Look closely, and in the center of the image, you see three prongs that would activate the mine. It jumps from the ground and sprays metal fragments all around.
The excavation of an antitank mine in Cuito Canavale, Angola.
A Russian-made TM-62P antitank blast mine.
This rocket lying in a minefield appeared to have been fired but did not explode.
A mortar discovered in a minefield just yards from a main road.
A Czech-made PP-MI-SR bounding fragmentation mine.
Shrapnel found in antipersonnel mines.
Deminers found what appears to be buried TNT.
A Romanian-manufactured MAI-75 antipersonnel mine.
The minefields are also littered with rockets, guns and assorted ammunition.
A Cuban-made PN-1 antipersonnel blast mine.
A Russian-made TM-57 antitank blast mine found in Cuito Canavale, Angola.
Another partially buried threat.
Seen through the dirt, what appears to be an Angolan rocket is buried in Cuito Canavale.
The US-made M19 is a large, square plastic-encased antitank mine.
An improvised explosive found in Cuito Canavale. The wooden blocks are meant to represent blocks of TNT.