Am I right that when a plane lands people can't board their plane because the arrival are walking in the same corridor to immigration. This might work for a airport with low levels of Arrivals, but if 2/3 Intl flights come in at the same time then it's going to add to delays.
I thought I saw a lot of western management during renovations a few years ago so I'm surprised they did it like this. And I've not seen another airport with the same system - usually have two tiers