rel(1399823);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=8];
Recherche des frontiéres administratives interieur à la relation "1399823" : "Мегино-Кангаласский улус".
rel(1399823);map_to_area->.region;rel(area.region)[boundary=administrative][admin_level=8];