In the top of the mountains in Yaan province a recreation park is being built. Client require a prototype for a restroom that it will be repeat it all along the complex. Also demand a "literal" conection with the theme of the park

Difficult access, low budget and the speed of construction. The outer skin is made of same material than the hotair balloons. A wooden structure forms a dome that covers 3 boxex (men, women and disable wc) with different height and scale. 

Both structure are not in contact generating an inbetween space. Shadows and lights are moving in, imitating the experience in the balloon.

The outer skin can be customize and will provide with light at night.