The trains were so slow at climbing inclines, even at full steam with the fireman furiously shoveling coal, that "a passenger could hop off to relieve himself beside the line, and still have time to get back on board," laughs Hsu.
爬坡時即使司機拚命開，司爐拚命投煤，還是不比走路快，「如果乘客下車『方便』一下，再趕上車都還來得及」，他笑說。