Mont Blanc massif led to calls to limit access to the most popular summits and for the mountains to be treated with greater respect. The Mont Blanc massif has provided numerous opportunities for academic research, dating back to the very first ascent of Mont Blanc in 1786 during which Michel Paccard carried scientific equipment to confirm it as the highest summit. In 1820, an ill-fated expedition led by Dr Hamel included pigeons intended for release at varying altitudes to measure the impact of reduced air density on their ability to fly. In 1890, Joseph Vallot built a small meteorological observatory at approximately between
Geladaindong Peak on the same expedition. Mark Newcomb was a guide with Exum Guides from Grand Teton National Park. Although a dangerous peak to climb, Geladaindong is popular among Chinese mountain climbers. In 1994, the Mountaineering Association of Peking University (MAPKU) became the first Chinese climbing team to reach the summit of Geladaindong. Geladaindong Peak Geladaindong Peak (also spelled Geladandong, Geladaintong or Kolha Dardong) is a snow-covered mountain (or massif) located in southwestern Qinghai province of China near the border of Tibet Autonomous Region. It is the tallest mountain in the Tanggula Mountain Range of the Tibetan Plateau with an elevation of