Indoor skydivers from around the world have been showing off their synchronized moves at the FAI 3rd World Indoor Skydiving Championship in Lille, France.
Individuals and teams competed inside a specially designed vertical wind tunnel surrounded in glass that keep them suspended in mid-air thanks to a jet of fast-moving air.
Champions were crowned in several categories over four days in solo competitions as well as in duos, and in teams of four and eight.
More than 250 competitors from 30 different countries took part.