The much-anticipated opening of the revamped Huanggang Port border crossing between Hong Kong and Shenzhen on Monday was marked by excitement, eagerness and confusion. At around 8am, 1½ hours after the control point opened, many private vehicles were neatly lining up for immigration clearance. The use of new technology, a new location and a new facility meant that extra time and patience were needed. Visitors, mostly tourists and retirees travelling on foot, had a wow moment inside the modern...