Pausing alongside a busy lock on a Sunday stroll and watching the boats line up, enter the hatch, open the sluices and ascend or descend, evokes a dynamic sense of past, sustained into the present.

• 周日，你在岸上驻足于繁忙的水闸边，找个好角度，见那小船排成长龙，进入水闸，打开闸门的那瞬，看那水面起起落落，仿佛往昔的一幕幕正生动上演，绵延至今。