What is pair skating, Can you help identify some key points from the give text?
1. The International Skating Union (ISU) defines pair skating as "the skating of two persons in unison who perform their movements in such harmony with each other as to give the impression of genuine Pair Skating as compared to independent Single Skating" as a kind of figure skating.
2. According to the ISU, a pairs team is comprised of "one Man and one Woman."
3. Since figure skating, the first Winter Olympic sport, was established at the 1908 Summer Olympics in London, men's and women's pair skating have been Olympic events, along with men's and women's single skating.
4. Pair skating was first featured in the ISU World Figure Skating Championships in 1908.