Apa Sherpa and his three companions set off in January on the Climate Smart Celebrity Trek, an expedition promoting tourism and highlighting the effects of climate change. They finished the trail in 99 days, 20 days ahead of schedule. 2012: Gerda Maria Pauler (partly accompanied by Temba Bhoti and a small group of porters) followed the Great Himalaya Trail High Route concept 1700 km across Nepal (Kanchenjunga BC to Hilsa) to raise funds for Autism Care Nepal.