sentences:  It transpires that Professor Huston has been captured by a German military expedition on the same quest, led by Bockner (Herbert Lom), a single-minded knackwurst-munching, bald-headed Colonel and a ruthless Turkish slave-trader and adventurer, Dogati (John Rhys-Davies), who is a long-standing adversary of Quatermain.Huston is being forced to interpret another map, also believed to be genuine.The two rival expeditions shadow each other, clashing on several occasions, but Quatermain's group manages to rescue Professor Huston, who confirms the mines are indeed real and he implores Quatermain to stop Bockner and Dogati from finding them.