Aegean Sea, the Black Sea, the Caspian Sea and the Ural River
All water boundaries
My geography teacher was telling us as well it is known as the Eurasian boundary as well
It has a radius of 1220 km.
The correct answer is - because workers are needed for development projects.
The countries in the Arabian peninsula has developed significantly in the last decades and are continuing that trend, so for the fast, modern, development they need a lot of workers which they do not have, so they offer jobs to foreigners.
I don’t think she’ll see this