The 23rd Winter Olympic Games are set to officially kick off with the opening ceremony at the South Korean city of Pyeongchang.
Spectators, athletes and officials were welcomed to the chiming of bells as a ceremony titled "Peace in Motion" got under way in the 35,000-seated Pyeongchang Olympic stadium.
North Korean leader Kim Jong-un's younger sister, Kim Yo Jong, who landed at the Incheon airport of Friday, was seen shaking hands with South Korean President Moon Jae-in during the opening ceremony.
In a rare show of unity, athletes from South and North Korea will march together under a "unification flag".
Earlier, a high-level North Korean delegation, led by Kim's sister arrived for a three-day visit.
For the next 17 days, an estimated 2,952 athletes from 92 countries will be competing for Olympic medals in 102 events across 15 different sports.
Some sporting events, like curling and ski jumping, started on Thursday.