Planet

Chineses have built a spiral staircase at a steep rock

The Chinese officials who are engaged in development of tourism have agreed to  locate a 91-metre spiral staircase at a steep wall of mountain ridge. It is supposed, that this dizzy sight will involve thousand of tourists, wishing to feel the  real sensations of the climber, but without threat for their life.

 All potential climbers will sign a special document, having assured, that  have no problems with heart and lungs, and that they are not already  60 years old.