Sadly no, it’s been a long time. My guess would be as good as yours. But like Singfeld said, you can skip that option

When I flew back from Istanbul there were about 10 people on the plane with relocated hair

It helps if you know the lore, because at the beginning there is a scene where someone asks you about decisions you made in the first two parts. But I didn’t know anything and just guessed. But after that you don’t really need to know what happens before

On site? For 100000 years?

But would it help to think of it as a tipping jar for officials?