big bogdo mountain. russia. astrakhan

171 1496 above akhtuba also and are astrahan astrakhan away baskunchak beams big bogdinskobaskunchakskaya bogdo caspian caves desert dessert developed district dowel etc fastening forms grottoes has highest iron karst lake largest level located lowland more mountain mountaineering muntain piece point region relief reserve2 retainer rock rod russia salt sea sinkholes stake steppe stones surface territory than there these today tourism travel underground valley wedge