Indeed, a foreign power, having intercepted the letter from Mortimer to the address of Blake, is interested by this potential source of nuclear energy and Olrik hired to retrieve the rock. He disguises himself as a native of the country and managed to accompany Blake and Mortimer in their exploration.
Certainly, a foreign power, having intercepted the letter from Mortimer to the address of Blake, is intrigued by this potential source of nuclear energy and Olrik hired to retrieve the rock. He disguises himself as a local inhabitant and successfully accompanies Blake and Mortimer on their expedition.