This unique and antique competition has been formed by his spirit, wich his define by an untouchable, unformal mystic blowing through the Air. During one month, the all world vibrate as one for performance, roughness and velocity.Also, we like the playful side of the Olympic games, suggested by the sentence «L’important c’est de participer».The pavilion reverse gravity. Its plays with immaterial, weightless technics and soft structure. It is composed by four elements : a roof of ballon, rope walls, plastic sheds and a wooden basement.In classical construction, the walls are hold into the ground and carry the roof.Here, it’s the opposite. The roof carry the walls.The roof is composed by a mesh of recycled and recycable plastic baloon blow up with Helium and Oxygen.All are bound together with thin strings. Each balloon are bound to the basement by a hempen rope.The rope density determine the walls. The public walk through the Pavillon in a rope forest.Sheds protecting the private area from outside. They are made from recycle plastic too.The basement is a technical area for water and energy tank.The pavillon is designed to collect rain water on the roof. Then, it goes down by the string to an other water tank used for washing. It also produce its own electricity by the solar panel situated on the higher baloons.