Indian Army team climbs Everest without supplementary oxygen
A team of four Indian Army personnel has become the first team to climb Mount Everest without carrying oxygen cylinders. The four climbers are Kunchok Tenda, Kelshang Dorjee Bhutia, Kalden Panjur and Sonam Phuntsok. Over 4,000 people have climbed the world's highest peak so far, of which only 187 people have done this without supplementary oxygen on an individual basis.