Complex sentence: It has given authenticity to the spiritual nature of the mountain, and as a result regular pilgrimage is under taken by the people to the three sacred major ovoos or stone cairns fixed at the sacred sites along a specified route where Mongolian shamanic worship is offered.
Split into simpler sentences: It has given authenticity to the spiritual nature of the mountain. As a result, regular pilgrimage is undertaken by the people to the three sacred major ovoos or stone cairns at the sacred sites along a specified route where Mongolian shamanic worship is offered.