Âm thanh chia sẻ

Over many years… slowly… almost without notice… The cities above… begin to change… Not all at once… Not suddenly… But in small ways… Careful ways… People begin to understand… That what flows beneath them… cannot be ignored forever… The streets… sometimes become difficult… Not because of crowds… But because of what gathers… too close to the surface… And so… ideas begin to form… Simple at first… Small attempts… to guide the flow… Wooden channels… are placed… Carved carefull