Renowned mountaineer Sajid Ali Sadpara summited the world’s fifth-highest peak, Mount Makalu (8,485m) in Nepal, without supplementary oxygen, the expedition’s organisers said on Sunday. Sadpara is on a mission to summit all 14 “eight-thousanders” in the world without supplemental oxygen, and this marks his 10th summit of that mission. According to a statement issued by Seven Summit Treks, the expedition team Sadpara was part of, an excellent summit push at 5am on May 2 successfully reached the summit of Makalu.