Seven Second Summits among mountaineers seeking to complete this challenge. The main ridge of the Greater Caucasus range is generally considered to form the boundary between Europe and Asia. In that case, Mount Elbrus, () situated some 10 km north of the continental divide, is the highest mountain in Europe. Excluding the Caucasus Mountains, Mont Blanc () would be Europe's highest mountain. The Australian continent is defined as comprising the mainland of Australia and proximate islands on the same continental shelf, including Tasmania and New Guinea. In the convention of the seven continents, one of the continents is the region of Australasia, which
Mount Elbrus the two summits but collapsed after only a few years. Its remains can still be seen. In 1939, the Soviet Intourist travel agency built yet another structure a little above the "Priyut 11" site at 4,200 metres, covered in aluminium siding. It was meant to accommodate western tourists, who were encouraged to climb Mount Elbrus in commercial, guided tours at the time to bring in foreign currency. Not much later, this hut was converted into a mountain barracks, serving as a base, first for Soviet and later German troops in the Battle of the Caucasus of World War II. On