The last adventures is played here : in the underworld. The time clock that prevails is different from that of humans. Each trip brings its share of beauty of incredible diversity. Each trip is unique. Then,each image immortalizes an unsuspected and extraordinary world. Here, whether it drips, streams, runs off with softness or fury, the water sets the pace of the underworld. Sweet little music barely perceptible or deafening concert, it rhythms the human adventure bringing a touch of life in this confined environment. Like delicate spiders crisscrossing the depths of the earth, the speleologist adds an extra touch of chills, they are hung, suspended, dancing on their rope like acrobats. They create with their colorful and tensioned ropes a figure generating an important disciplin in this chaotic world.