Since we're talking airports: I'm Portuguese, and Lisbon's airport immigration is genuinely one of the worst first impressions of any country I know.Two to four hour queues stretching across the entire terminal. People missing flights. Fights breaking out. Exhausted travelers off long-haul flights standing for hours with no water.This is what greets every tourist and foreign investor Portugal spends millions trying to attract.It's a solved problem. For example - Korea lets me in within 30 second