PISTE F 910 DU VOLCAN D’ ASKJA LONGEANT LA RIVIERE GLACIAIRE JOKULSA A FJOLLUM, DESERT VOLCANIQUE ET CHAMP DE LAVE, HAUTES TERRES D’ISLANDE, NORDURLAND EYSTRA, CENTRE EST DE L’ISLANDE, EUROPE // THE F 910 TRAIL LEADING TO THE VOLCANO ASKJA, RUNNING ALONG THE GLACIAL RIVER JOKULSA IN FJOLLUM, VOLCANIC DESERT AND LAVA FIELD, HIGHLANDS OF ICELAND, NORDURLAND EYSTRA, EASTERN CENTRE OF ICELAND,ICELAND, EUROPE