This document discusses the extreme sport of kitesurfing, which combines elements of wakeboarding, windsurfing, surfing, paragliding and gymnastics. It lists the basic equipment needed, including a kite, board, harness and lines, and notes that while there are no formal rules, it is not recommended to kitesurf with offshore ground winds. The document also states that kitesurfing is popular along coasts and beaches in several countries and traces the origins of modern kitesurfing equipment back to experiments in the 1800s.