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
Jøkulkyrkja Mountain Bokmål form would have been ""Jøkelkirken""). The first ascent of Jøkulkyrkja Mountain was in January 1994, by a team of 13 mountain climbers led by Ivar Tollefsen. The first woman to reach the top was Merete Asak, November 2010. Jøkulkyrkja Mountain Jøkulkyrkja Mountain ("the Glacier Church"), also known as Massiv Yakova Gakkelya, is a broad, ice-topped mountain with several radial rock spurs, standing east of Lunde Glacier in the Mühlig-Hofmann Mountains of Queen Maud Land, East Antarctica. Jøkulkyrkja Mountain was plotted from surveys and air photos by the Sixth Norwegian Antarctic Expedition (1956–60) and named "Jøkulkyrkja". The first element is