Panj River Dividing the Afghanistan Tajikistan Borders Asia (eriagn) Tags: afghanistan asia border tajikistan mountainous peaks snow river valley agriculture summer scree rocks steep remote rugged landscape water eriagn ngairehart ngairelawson pamirhighway silkroad traderoute trade historical noroads track panjriver amudarya glacier centralasia continent country mountain mountainrange pamirrange mudbrick subsistence cultivation silt geology terrain topography frontier strata tones pyanj