Seven Third Summits Sumantri () and Ngga Pulu (). The definition of "continent" is a matter of some dispute 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 () and Dykh-Tau (), are the two highest mountains in Europe. Excluding the Caucasus Mountains, Mont Blanc () and Monte Rosa () would be Europe's two highest mountains. 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
Mount Elbrus down, a driver lost control of the vehicle and had to dive out. Although he survived the accident, the vehicle crashed into rocks and remains below the summit to this day. In 2016, Russian climbers Artyom Kuimov and Sergey Baranov entered the Guinness Book of World Records by reaching the summit of Elbrus on ATVs. In 1929, eleven scientists erected a small hut at 4,160 metres and called it "Priyut 11" (Refuge of the 11). At the same site, a larger hut for 40 people was built in 1932. A wilderness hut was built in 1933 in the saddle between