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
The Summit (2012 film) The Summit (2012 film) The Summit is a 2012 documentary film about the 2008 K2 disaster, directed by Nick Ryan. It combines documentary footage with dramatized recreations of the events of the K2 disaster, during which – on the way to and from the summit – 11 climbers died during a short time span, creating one of the worst catastrophes in climbing history. Reconstructions were filmed on the North face of the Eiger and on the Jungfraujoch glacier in Switzerland in March 2011. Pemba Gyalje Sherpa was present for the reconstructions along with Pasang Lama, Tshring Lama, and Chhiring Dorje