Kamen Kolchev, founder and executive director of the financial company “Elana Holding”, together with his wife Petya Kolcheva, and Zheko Vutev climbed the Tibetan mountain peak Cho Yo (8201 meters), which is the sixth highest peak in the world. The seven-member Bulgarian expedition in which they participated left for Kathmandu on April 4, 2007 and then set out for the Chinese territory aiming for the mountain peak following the classical route. Geotechmin OOD was one of the sponsors supporting the alpinists.