Allan Quatermain and the Lost City of Gold

The name of this movie is Allan Quatermain and the Lost City of Gold released in 1986-12-17 and it's main theme is After his brother Robeson disappears without a trace while exploring Africa in search of a legendary 'white tribe', Allan Quatermain decides to follow in his footsteps to learn what became of him. Soon after arriving, he discovers the Lost City of Gold, controlled by the evil lord Agon, and mined by his legions of white slaves..