The electricity, water, gas and other services that we use daily are provided by a vast network of pipes and wires which have assumed symbolic proportions.
掀開台北的地皮，可以看到六種主要的地下管道「擠」在一起：自來水管、電線、瓦斯管、電話線、雨水下水道，還有衛生下水道，缺一不可。