11. The factory in Pau Grande, due to its geographical isolation , employed mainly rural worked. 12. These differences may have emerged due to geographical isolation of the regions of Tibet. 13. The Otomis have retained much of their indigenous beliefs, primarily due to their geographical isolation . 14. Geographical polymorphism is where geographical isolation causes a divergence of a species into different morphs. 15. Huge efforts were made to break this geographical isolation . 16. The Utah music scene is unusual due to its geographical isolation and outlaw / religious heritage. 17. In a strange way, the geographical isolation of Nunavut has proved a blessing for the Inuit. 18. Due in part to Tibet's geographical isolation , Tibetan Terriers were kept purebred for over 2000 years. 19. However, its geographical isolation continued to play a role in its destiny for the next 30 years. 20. God bless geographical isolation , Almqvist says.