Millions of years old, they stand out for their size in relation to the savanna landscape of the region.

[2] The western rocky subsystem, the best known and most visited of all, is located in the municipality of Cacuso, in Malanje Province, and is an important tourist attraction in Angola.

[4] The commune of Pungo-Andongo is located in the center of the western subsystem of the formation.

In 1671 the Portuguese besieged and captured the city, enslaving many of its inhabitants and destroying the kingdom.

[5] The ruins of the Fortress of Pungo-Andongo, built by the Portuguese after the battle, are located in the modern town.